New York, NY 75° Los Angeles, CA 71° Chicago, IL 72° Houston, TX 78° Miami, FL 85° Phoenix, AZ 93° 🌤️ Seattle, WA Denver, CO 65° Toronto, ON 70° Vancouver, BC 60°
WeatherLiveIllinoisByron

Byron, IL Weather (61010)

Current WeatherByron · 8:22 AM CDT
82° | 67°
73°F
Feels like 77°
Partly cloudy
WindN 9 mph · Gusts 13 mph
Precip84% · 0.52 in
Humidity98% · Dew point 72°
UV index8 High
Air Quality18 Good
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset6:05 AM · 7:56 PM · 13h 51m

Weather map — Byron

Full radar →
Now
73°
25%
9 mph
09:00
74°
22%
11 mph
10:00
76°
16%
11 mph
11:00
78°
16%
9 mph
12:00
80°
20%
9 mph
13:00
82°
15%
9 mph
14:00
82°
12%
10 mph
15:00
82°
18%
11 mph
16:00
82°
16%
10 mph
17:00
80°
20%
10 mph
18:00
78°
21%
11 mph
19:00
75°
11%
10 mph
20:00
71°
13%
7 mph
21:00
69°
14%
7 mph
22:00
67°
14%
6 mph
23:00
67°
13%
7 mph
00:00
66°
13%
6 mph
01:00
65°
13%
6 mph
02:00
64°
14%
5 mph
03:00
62°
14%
5 mph
04:00
61°
14%
5 mph
05:00
60°
14%
5 mph
06:00
60°
14%
4 mph
07:00
62°
14%
3 mph

Today · Sun 8/16

High 82°
84% / 0.52 in

Showers. Winds NW at 11 mph.

Tonight · Sun 8/16

Low 60°
14% / –

Sunny. Winds NW at 7 mph.

Tomorrow · Mon 8/17

80° | 60°
9% / –

Sunny. Winds NW at 6 mph.

7-day trend

Byron · temperature + precipitation

10-day forecast

Updated 8:22 AM

Details & indices

Wind
9 mph N
Gusts 13 mph
Humidity
98%
Dew point 72°
Pressure
29.94 inHg
Rising
UV index
8 — High
High today
Air Quality
Good
AQI 18 · US EPA
Allergy
None detected
Visibility
6 mi
Clear view
Allergy — Byron

🌿 Conditions right now

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

Sun & moon

Sunrise6:05 AM
Sunset7:56 PM
Length of day13h 51m
Moonrise10:35 AM
Moonset9:38 PM
Next full moonAug 27 Sturgeon Moon
Latitude42.1270°N
Longitude-89.2557°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
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
Chicago
Showers
72°
Aurora
Fog
71°
🌤️
Rockford
Joliet
Fog
74°
Naperville
Showers
72°
Data sources · Sunday, August 16
Where the Byron 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: 42.1270°N, -89.2557°.
NBM + global weather models
Updated: 8:22 AM
Weather in Byron
The 10-day span for Byron runs from a high near 82° on Sunday down to 57° overnight on Saturday. About 1.4 in of precipitation is expected in total; the most likely wet day is Friday (89% chance). The NWS alert board for this area is currently clear. Right now Byron is about 12° cooler than nearby Springfield. Longer view: variable mid-latitude weather in every season.
Byron, IL · Elev 728 ft · 42.13°N, 89.26°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: 8:22 AM