Glenn County, CA Weather Forecast
County weather hub
Sunny
Compare major city weather across Glenn County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 71. East wind around 5 mph.
County Weather Overview
This county weather page brings together forecast coverage for Glenn County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Glenn County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 25 to Oct 29, 2026
- Latest sync
- Oct 23, 2026 1:32 PM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Glenn County
Sunday looks like the warmest upcoming period in Glenn County at 71 degrees F.
Thursday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Monday Night at about 6 mph WSW.
The forecast from Oct 25 through Oct 29 stays mostly dry.
Forecast Details
- Last updated
- Oct 23, 2026 1:32 PM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- STO
- Radar station
- KBBX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 44.
Sunny, with a high near 69.
Mostly clear, with a low around 43.
Sunny, with a high near 67.
Partly cloudy, with a low around 43.
Mostly sunny, with a high near 67.
Partly cloudy, with a low around 43.
Mostly sunny, with a high near 66.
Partly cloudy, with a low around 42.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Oct 25
|
Sunny
|
71°F |
5 mph
E
|
|
Sunday Night
Oct 25
|
Mostly Clear
|
44°F |
1 to 5 mph
WSW
|
|
Monday
Oct 26
|
Sunny
|
69°F |
5 mph
E
|
|
Monday Night
Oct 26
|
Mostly Clear
|
43°F |
6 mph
WSW
|
|
Tuesday
Oct 27
|
Sunny
|
67°F |
6 mph
N
|
|
Tuesday Night
Oct 27
|
Partly Cloudy
|
43°F |
3 mph
NW
|
|
Wednesday
Oct 28
|
Mostly Sunny
|
67°F |
5 mph
NNE
|
|
Wednesday Night
Oct 28
|
Partly Cloudy
|
43°F |
3 mph
W
|
|
Thursday
Oct 29
|
Mostly Sunny
|
66°F |
5 mph
NNE
|
|
Thursday Night
Oct 29
|
Partly Cloudy
|
42°F |
3 mph
WSW
|
Major City Forecasts
Live forecast snapshots for major cities across Glenn County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Glenn County.
Largest mapped city population in this region: 169,300.
