Collinsville, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Collinsville, CA in one place.
Sunny. High near 72, with temperatures falling to around 70 in the afternoon. West southwest wind around 17 mph, with gusts as high as 26 mph.
Local Weather Overview
This forecast page for Collinsville, 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 12:34 PM PDT.
The active forecast window currently covers Sep 16 to Sep 22, 2026 for Collinsville, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 22, 2026
- Latest sync
- Sep 16, 2026 12:34 PM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Collinsville
Tuesday looks like the warmest upcoming period in Collinsville at 85 degrees F.
Tonight is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Today at about 17 mph WSW.
The forecast from Sep 16 through Sep 22 stays mostly dry.
Forecast Details
- Last updated
- Sep 16, 2026 12:34 PM PDT
- Coverage
- 8 days
- Time zone
- America/Los_Angeles
- Forecast office
- STO
- Radar station
- KDAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy. Low around 61, with temperatures rising to around 63 overnight. Southwest wind 7 to 16 mph, with gusts as high as 26 mph.
Sunny, with a high near 75. West southwest wind 6 to 9 mph.
Mostly clear, with a low around 61. West wind around 9 mph.
Sunny, with a high near 81. West wind 8 to 12 mph, with gusts as high as 20 mph.
Mostly clear, with a low around 62.
Sunny, with a high near 83.
Partly cloudy, with a low around 62.
Mostly sunny, with a high near 78.
Mostly clear, with a low around 61.
Sunny, with a high near 80.
Mostly clear, with a low around 62.
Sunny, with a high near 85.
Mostly clear, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Sep 16
|
Sunny
|
72°F |
17 mph
WSW
|
|
Tonight
Sep 16
|
Partly Cloudy
|
61°F |
7 to 16 mph
SW
|
|
Thursday
Sep 17
|
Sunny
|
75°F |
6 to 9 mph
WSW
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
61°F |
9 mph
W
|
|
Friday
Sep 18
|
Sunny
|
81°F |
8 to 12 mph
W
|
|
Friday Night
Sep 18
|
Mostly Clear
|
62°F |
12 mph
WSW
|
|
Saturday
Sep 19
|
Sunny
|
83°F |
7 to 12 mph
WSW
|
|
Saturday Night
Sep 19
|
Partly Cloudy
|
62°F |
13 mph
WSW
|
|
Sunday
Sep 20
|
Mostly Sunny
|
78°F |
10 to 14 mph
WSW
|
|
Sunday Night
Sep 20
|
Mostly Clear
|
61°F |
13 mph
WSW
|
|
Monday
Sep 21
|
Sunny
|
80°F |
13 mph
WSW
|
|
Monday Night
Sep 21
|
Mostly Clear
|
62°F |
7 to 12 mph
WSW
|
|
Tuesday
Sep 22
|
Sunny
|
85°F |
6 to 10 mph
W
|
|
Tuesday Night
Sep 22
|
Mostly Clear
|
63°F |
10 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Collinsville.