New York, NY 72° Los Angeles, CA 62° Chicago, IL 73° 🌤️ Houston, TX 🌤️ Miami, FL 🌤️ Phoenix, AZ Seattle, WA 59° Denver, CO 68° 🌤️ Toronto, ON 🌤️ Vancouver, BC
WeatherLiveIllinoisByron

Byron, IL Weather (61010)

Current WeatherByron · 9:47 AM CDT
81° | 69°
72°F
Feels like 77°
Rain
WindSE 6 mph · Gusts 10 mph
Precip88% · 0.33 in
Humidity96% · Dew point 71°
UV index5 Moderate
Air Quality17 Good
Pressure30.03 inHg
Visibility1 mi
Sunrise / Sunset6:04 AM · 7:58 PM · 13h 54m

Weather map — Byron

Full radar →
Now
72°
0.14 in
6 mph
10:00
73°
0.15 in
6 mph
11:00
74°
45%
5 mph
12:00
75°
37%
6 mph
13:00
78°
31%
7 mph
14:00
80°
35%
7 mph
15:00
80°
49%
6 mph
16:00
81°
30%
5 mph
17:00
81°
29%
4 mph
18:00
80°
33%
4 mph
19:00
79°
29%
3 mph
20:00
77°
26%
5 mph
21:00
75°
20%
4 mph
22:00
75°
24%
5 mph
23:00
74°
24%
6 mph
00:00
73°
26%
5 mph
01:00
73°
27%
5 mph
02:00
73°
0.07 in
4 mph
03:00
73°
39%
3 mph
04:00
72°
0.20 in
4 mph
05:00
72°
64%
2 mph
06:00
73°
0.13 in
6 mph
07:00
72°
0.10 in
4 mph
08:00
73°
25%
9 mph

Today · Sat 8/15

High 81°
88% / 0.33 in

Showers. Winds E at 10 mph.

Tonight · Sat 8/15

Low 72°
20% / –

Partly cloudy. Winds SE at 4 mph.

Tomorrow · Sun 8/16

82° | 67°
84% / 0.52 in

Showers. Winds NW at 11 mph.

7-day trend

Byron · temperature + precipitation

10-day forecast

Updated 9:47 AM

Details & indices

Wind
6 mph SE
Gusts 10 mph
Humidity
96%
Dew point 71°
Pressure
30.03 inHg
Rising
UV index
5 — Moderate
High today
Air Quality
Good
AQI 17 · US EPA
Allergy
None detected
Visibility
1 mi
Reduced
Allergy — Byron

🌿 Conditions right now

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

Sun & moon

Sunrise6:04 AM
Sunset7:58 PM
Length of day13h 54m
Moonrise9:26 AM
Moonset9:17 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
Fog
73°
🌤️
Aurora
🌤️
Rockford
🌤️
Joliet
🌤️
Naperville
Data sources · Saturday, August 15
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: 9:47 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 1.7 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 running about 4° warmer than Madison. 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: 9:47 AM