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WeatherLive › Illinois › Fairfield

Fairfield, IL Weather (62837)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherFairfield · 2:26 PM CDT
39° | 24°
39°C
Feels like 40°
Sunny
WindW 8 mph · Gusts 12 mph
Precip3% · –
Humidity34% · Dew point 20°
UV index9 Very high
Air Quality78 Moderate
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset6:24 AM · 7:20 PM · 12h 56m

Weather map — Fairfield

Full radar →
Now
39°
1%
8 mph
15:00
38°
1%
6 mph
16:00
36°
9%
1 mph
17:00
34°
1%
9 mph
18:00
35°
9%
7 mph
19:00
34°
10%
4 mph
20:00
34°
2%
7 mph
21:00
33°
1%
9 mph
22:00
31°
2%
9 mph
23:00
30°
3%
8 mph
00:00
29°
2%
8 mph
01:00
29°
3%
9 mph
02:00
28°
4%
8 mph
03:00
28°
4%
8 mph
04:00
27°
4%
8 mph
05:00
27°
4%
7 mph
06:00
27°
4%
7 mph
07:00
27°
4%
7 mph
08:00
28°
3%
8 mph
09:00
31°
1%
9 mph
10:00
33°
1%
8 mph
11:00
35°
1%
7 mph
12:00
37°
1%
7 mph
13:00
38°
1%
8 mph

Today · Thu 9/3

High 39°
3% / –

Sunny. Winds S at 9 mph.

Tonight · Thu 9/3

Low 27°
1% / –

Sunny. Winds S at 9 mph.

Tomorrow · Fri 9/4

38° | 27°
2% / –

Sunny. Winds W at 9 mph.

7-day trend

Fairfield · temperature + precipitation

10-day forecast

Updated 2:26 PM

Details & indices

Wind
8 mph W
Gusts 12 mph
Humidity
34%
Dew point 20°
Pressure
29.91 inHg
Rising
UV index
9 — Very high
High today
Air Quality
Moderate
AQI 78 · US EPA
Allergy
None detected
—
Visibility
6 mi
Clear view
Allergy — Fairfield

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
None

Sun & moon

Sunrise6:24 AM
Sunset7:20 PM
Length of day12h 56m
Moonrise10:53 PM
Moonset1:36 PM
Moon phase🌗 Last Quarter · 56%
Next full moonSep 26 Harvest Moon
Latitude38.3789°N
Longitude-88.3598°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
Chicago
Sunny
39° 🌤️
Aurora
—
— 🌤️
Rockford
—
— 🌤️
Joliet
—
— 🌤️
Naperville
—
—
Data sources · Thursday, September 3
Where the Fairfield forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 38.3789°N, -88.3598°.
NBM + global weather models
Updated: 2:26 PM
ZIP codes in Fairfield
📮
62446
Fairfield
 📮
62809
Fairfield
 📮
62823
Fairfield
 📮
62842
Fairfield
 📮
62862
Fairfield
 📮
62886
Fairfield
 📮
62895
Fairfield
Weather in Fairfield
Fairfield's outlook: warmest day near 41° (Wednesday), coldest night about 16° (Monday). Rain totals look negligible: a dry run of days ahead. Hold onto the patio furniture Thursday: gusts could hit 40 mph. Heads up: 2 NWS alerts are active right now, including a Extreme Heat Warning — details on the alerts tab. Right now Fairfield is running about 75° warmer than Clarksville. Longer view: variable mid-latitude weather in every season.
Fairfield, IL · Elev 440 ft · 38.38°N, 88.36°W · Illinois · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 2:26 PM