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WeatherLiveIllinoisFairfield

Fairfield, IL Weather (62837)

Current WeatherFairfield · 4:53 AM CDT
99° | 75°
75°F
Feels like 79°
Sunny
WindS 9 mph · Gusts 19 mph
Precip6% · –
Humidity90% · Dew point 72°
UV index9 Very high
Air Quality28 Good
Pressure30.03 inHg
Visibility6 mi
Sunrise / Sunset6:08 AM · 7:47 PM · 13h 39m

Weather map — Fairfield

Full radar →
Now
75°
13%
9 mph
05:00
77°
13%
8 mph
06:00
76°
13%
7 mph
07:00
77°
28%
6 mph
08:00
82°
20%
6 mph
09:00
86°
15%
8 mph
10:00
89°
13%
9 mph
11:00
91°
13%
8 mph
12:00
91°
15%
8 mph
13:00
96°
1%
8 mph
14:00
98°
1%
8 mph
15:00
99°
1%
7 mph
16:00
99°
1%
7 mph
17:00
99°
2%
4 mph
18:00
98°
3%
1 mph
19:00
92°
3%
4 mph
20:00
88°
3%
6 mph
21:00
85°
3%
6 mph
22:00
84°
3%
7 mph
23:00
83°
3%
8 mph
00:00
82°
3%
9 mph
01:00
81°
3%
8 mph
02:00
80°
3%
9 mph
03:00
80°
3%
10 mph

Today · Sat 8/15

High 99°
6% / –

Sunny. Winds S at 9 mph.

Overnight · Sat 8/15

Low 76°
— / –

Sunny.

Tomorrow · Sun 8/16

94° | 76°
57% / 0.13 in

Sunny. Winds W at 14 mph.

7-day trend

Fairfield · temperature + precipitation

10-day forecast

Updated 4:53 AM

Details & indices

Wind
9 mph S
Gusts 19 mph
Humidity
90%
Dew point 72°
Pressure
30.03 inHg
Rising
UV index
9 — Very high
High today
Air Quality
Good
AQI 28 · 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

Sunrise6:08 AM
Sunset7:47 PM
Length of day13h 39m
Moonrise9:21 AM
Moonset9:16 PM
Next full moonAug 27 Sturgeon 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
🌤️
Aurora
🌤️
Rockford
🌤️
Joliet
🌤️
Naperville
Data sources · Saturday, August 15
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: 4:53 AM
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 99° (Saturday), coldest night about 63° (Sunday). Roughly 0.64 in of rain falls over the period, with Thursday the most likely wet day (84%). Hold onto the patio furniture Wednesday: gusts could hit 27 mph. The NWS alert board for this area is currently clear. Right now Fairfield is about 15° cooler than nearby Louisville. 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: 4:53 AM