Allen, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Allen, CA in one place.
Sunny, with a high near 64. South southwest wind around 8 mph, with gusts as high as 23 mph.
Local Weather Overview
This forecast page for Allen, 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: Aug 12, 2026 7:14 PM PDT.
The active forecast window currently covers Aug 14 to Aug 18, 2026 for Allen, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 14 to Aug 18, 2026
- Latest sync
- Aug 12, 2026 7:14 PM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Allen
Sunday looks like the warmest upcoming period in Allen at 66 degrees F.
Friday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Friday at about 8 mph SSW.
The forecast from Aug 14 through Aug 18 stays mostly dry.
Forecast Details
- Last updated
- Aug 12, 2026 7:14 PM PDT
- Coverage
- 6 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
Mostly clear, with a low around 45.
Sunny, with a high near 64.
Mostly clear, with a low around 47.
Sunny, with a high near 66.
Partly cloudy, with a low around 48.
Mostly sunny, with a high near 66.
Mostly cloudy, with a low around 49.
Mostly sunny, with a high near 66.
Partly cloudy, with a low around 48.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Aug 14
|
Sunny
|
64°F |
8 mph
SSW
|
|
Friday Night
Aug 14
|
Mostly Clear
|
45°F |
6 mph
SE
|
|
Saturday
Aug 15
|
Sunny
|
64°F |
5 to 8 mph
S
|
|
Saturday Night
Aug 15
|
Mostly Clear
|
47°F |
3 to 7 mph
S
|
|
Sunday
Aug 16
|
Sunny
|
66°F |
8 mph
S
|
|
Sunday Night
Aug 16
|
Partly Cloudy
|
48°F |
6 mph
SSE
|
|
Monday
Aug 17
|
Mostly Sunny
|
66°F |
5 to 8 mph
S
|
|
Monday Night
Aug 17
|
Mostly Cloudy
|
49°F |
6 mph
SSE
|
|
Tuesday
Aug 18
|
Mostly Sunny
|
66°F |
7 mph
SSW
|
|
Tuesday Night
Aug 18
|
Partly Cloudy
|
48°F |
6 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Allen.