Macomb weather in March

In March, Macomb sees average daytime highs of 50°F and overnight lows near 32°F, with 2.9 in of precipitation across 9.6 wet days and about 11.7 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 44°F in the first days to 56°F by the end. The sky is clear or mostly clear about 26% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Macomb's 9th-clearest and 2nd-windiest month. For the whole year in context, see Macomb's year-round climate.

Daytime high
50°
8th warmest
Overnight low
32°
4th coldest
Precipitation
2.9 in
9.6 wet days
Daylight
11 h 42 min
6:22 AM – 6:02 PM
Cloud cover
65%
9th clearest
Wind
9 mph
2nd windiest
Solar energy
4.13 kWh/m²
Travel score
2.3
out of 10

Macomb is city in and the county seat of McDonough County, Illinois, United States.

Density
644/km²
people per km²
Founded
1830

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 44°F in the first days to 56°F by the end.

A typical March day in Macomb reaches about 50°F in the afternoon and slips back to 32°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 36°F and 67°F. Set against its neighbours, March runs about 12°F warmer than February and about 12°F cooler than April.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
14326
24427
34427
44527
54528
64628
74628
84729
94729
104830
114830
124931
134931
145032
155032
165133
175133
185133
195234
205234
215335
225335
235335
245436
255436
265536
275537
285537
295637
305638
315738

How March really feels in Macomb

Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 31 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
31
wind chill below the day's low

The story in March is cold — wind chill drags the overnight "feels like" below the raw low.

Macomb weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan33° / 19°2.07.64.99.40.0
Feb38° / 22°2.173.810.40.1
Mar50° / 32°2.99.6211.72.3
Apr62° / 43°4.611.90.4135.0
May73° / 54°4.713014.26.2
Jun82° / 64°4.811.7014.85.9
Jul85° / 67°3.39.7014.65.5
Aug83° / 65°3.29.1013.66.1
Sep77° / 57°3.47.6012.37.3
Oct64° / 45°2.88.50.210.95.9
Nov50° / 34°2.7819.82.3
Dec38° / 24°2.173.29.20.0

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 14% of March, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
44159
54159
64159
74159
84159
94060
104159
114159
124159
134060
144060
154060
164060
174060
183961
193862
203862
213862
223862
233763
243763
253763
263763
273763
283763
293862
303961
314060

Chance of precipitation in March

Any precipitationSnow

Macomb gets around 2.9 in of rain and snow over 9.6 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 31% and peaks near 36% on the wettest days, and about 2 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
12812
22812
32811
42811
52810
62810
7289
8289
9288
10288
11288
12287
13297
14297
15307
16307
17317
18316
19326
20326
21336
22345
23345
24355
25354
26354
27364
28363
29363
30363
31362

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
8991
9991
10991
11991
12991
13991
14982
15982
16982
17982
18973
19973
20973
21964
22964
23964
24964
25964
26964
27955
28955
29955
30955
31955

Wind in March

Winds average 9 mph in March.

Across March, daily wind ranges from about 9 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 hours at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over March. Sunrise moves from 6:46 AM to 5:57 AM, and sunset from 5:46 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:465:46
211.06:455:47
311.16:435:48
411.16:425:49
511.26:405:50
611.26:385:51
711.36:375:52
811.36:355:54
911.36:345:55
1011.46:325:56
1111.46:315:57
1211.56:295:58
1311.56:275:59
1411.66:266:00
1511.66:246:01
1611.76:226:02
1711.76:216:03
1811.86:196:05
1911.86:176:06
2011.96:166:07
2111.96:146:08
2211.96:126:09
2312.06:116:10
2412.06:096:11
2512.16:076:12
2612.16:056:13
2712.26:046:14
2812.26:026:15
2912.36:006:16
3012.35:596:17
3112.45:576:18

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.13 kWh/m².

For context, solar energy here swings from a low near 1.8 kWh/m² to a high of 6.43 kWh/m² in June across the year — March's 4.13 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.7Moderate
33.7Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.9Moderate
83.9Moderate
94.0Moderate
104.0Bright
114.0Bright
124.1Bright
134.1Bright
144.1Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.4Bright
264.4Bright
274.4Bright
284.5Bright
294.5Bright
304.5Bright
314.6Bright
Planning a trip in March

Is March a good time to visit Macomb?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.3
Sightseeing
8th-best month of the year
0.0
Beach & pool
9th-best month of the year

March is a weaker month for outdoor sightseeing in Macomb.

What to pack for Macomb in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, Macomb sees daytime highs around 50°F and nights near 32°F. Pack a warm layer. Worth having: rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Macomb in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Macomb peaks around June 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 19UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep7High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Macomb in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Macomb is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodJul 1815 µg/m³Oct 227 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar12Good
Apr10Good
May13Moderate
Jun13Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct7Good
Nov8Good
Dec9Good
Location & terrain

Where is Macomb?

Macomb sits at 40.5°N, 90.7°W, 705 ft above sea level, in United States. The nearest listed city is Burlington, 34 mi away.

Topography around Macomb

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Macomb.

Within 2 miles, the terrain around Macomb has only modest variations in elevation — a maximum elevation change of 141 ft around an average of 682 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 256 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 472 ft.

The land around Macomb is covered by trees (32%), cropland (27%) and grassland (23%) within 2 miles, cropland (73%) within 10 miles, and cropland (63%) and trees (27%) within 50 miles.

2 miles
141 ft
10 miles
256 ft
50 miles
472 ft
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Burlington 34 mi · Galesburg 37 mi · Quincy 53 mi · Pekin 55 mi · Jacksonville 55 mi · East Peoria 59 mi · Peoria 59 mi · North Peoria 60 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Macomb (40.4592°, -90.6718°, elevation 705 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).