Colusa Junction, CA Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Colusa Junction, CA in one place.
Partly sunny, with a high near 78. South wind around 5 mph.
Local Weather Overview
This forecast page for Colusa Junction, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 16, 2026 12:33 PM PDT.
The active forecast window currently covers Sep 17 to Sep 22, 2026 for Colusa Junction, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 17 to Sep 22, 2026
- Latest sync
- Sep 16, 2026 12:33 PM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Colusa Junction
Tuesday looks like the warmest upcoming period in Colusa Junction at 92 degrees F.
Thursday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Friday at about 0 to 6 mph NNW.
The forecast from Sep 17 through Sep 22 stays mostly dry.
Forecast Details
- Last updated
- Sep 16, 2026 12:33 PM PDT
- Coverage
- 7 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
Clear, with a low around 56. West northwest wind around 2 mph.
Sunny, with a high near 88. North northwest wind 0 to 6 mph.
Clear, with a low around 59.
Sunny, with a high near 90.
Mostly clear, with a low around 60.
Mostly sunny, with a high near 87.
Partly cloudy, with a low around 59.
Sunny, with a high near 89.
Mostly clear, with a low around 60.
Sunny, with a high near 92.
Mostly clear, with a low around 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Sep 17
|
Partly Sunny
|
78°F |
5 mph
S
|
|
Thursday Night
Sep 17
|
Clear
|
56°F |
2 mph
WNW
|
|
Friday
Sep 18
|
Sunny
|
88°F |
0 to 6 mph
NNW
|
|
Friday Night
Sep 18
|
Clear
|
59°F |
0 to 3 mph
N
|
|
Saturday
Sep 19
|
Sunny
|
90°F |
0 to 3 mph
S
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
60°F |
0 to 3 mph
SSE
|
|
Sunday
Sep 20
|
Mostly Sunny
|
87°F |
0 to 3 mph
SSE
|
|
Sunday Night
Sep 20
|
Partly Cloudy
|
59°F |
0 to 3 mph
SE
|
|
Monday
Sep 21
|
Sunny
|
89°F |
0 to 3 mph
S
|
|
Monday Night
Sep 21
|
Mostly Clear
|
60°F |
0 to 3 mph
ESE
|
|
Tuesday
Sep 22
|
Sunny
|
92°F |
0 to 5 mph
NW
|
|
Tuesday Night
Sep 22
|
Mostly Clear
|
61°F |
1 to 5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Colusa Junction.