Allen, CA Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Allen, CA in one place.
Mostly clear. Low around 21, with temperatures rising to around 23 overnight. East northeast wind around 9 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: Apr 23, 2026 4:36 AM PDT.
The active forecast window currently covers Apr 23 to Apr 29, 2026 for Allen, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 29, 2026
- Latest sync
- Apr 23, 2026 4:36 AM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Allen
Thursday looks like the warmest upcoming period in Allen at 45 degrees F.
Overnight is the coolest period ahead with temperatures near 21 degrees F.
The strongest winds are forecast for Sunday at about 7 to 13 mph SW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 23, 2026 4:36 AM PDT
- Coverage
- 7 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
Sunny, with a high near 45. Northeast wind 3 to 8 mph.
Partly cloudy. Low around 30, with temperatures rising to around 32 overnight. East northeast wind around 6 mph.
A chance of rain after 11am. Partly sunny, with a high near 45. South wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
A slight chance of rain before 8pm, then a slight chance of snow between 8pm and 11pm. Mostly cloudy, with a low around 29. South wind 3 to 7 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Snow likely after 11am. Partly sunny, with a high near 40. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Snow likely. Mostly cloudy, with a low around 30. New snow accumulation of 1 to 3 inches possible.
Snow likely before 11am, then snow showers likely and a slight chance of thunderstorms between 11am and 5pm, then a chance of snow. Mostly cloudy, with a high near 35. New snow accumulation of 1 to 2 inches possible.
A chance of snow before 11pm. Mostly cloudy, with a low around 25. New snow accumulation of less than half an inch possible.
A chance of snow after 11am. Partly sunny, with a high near 41.
A slight chance of snow. Mostly cloudy, with a low around 27.
A chance of snow. Partly sunny, with a high near 45. New snow accumulation of less than half an inch possible.
A chance of snow. Mostly cloudy, with a low around 30. New snow accumulation of less than half an inch possible.
A chance of snow before 5pm, then a slight chance of rain. Partly sunny, with a high near 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Apr 23
|
Mostly Clear
|
21°F |
9 mph
ENE
|
|
Thursday
Apr 23
|
Sunny
|
45°F |
3 to 8 mph
NE
|
|
Thursday Night
Apr 23
|
Partly Cloudy
|
30°F |
6 mph
ENE
|
|
Friday
Apr 24
|
Chance Light Rain
|
45°F |
5 to 8 mph
S
|
|
Friday Night
Apr 24
|
Slight Chance Light Snow then Mostly Cloudy
|
29°F |
3 to 7 mph
S
|
|
Saturday
Apr 25
|
Light Snow Likely
|
40°F |
5 to 12 mph
SSW
|
|
Saturday Night
Apr 25
|
Light Snow Likely
|
30°F |
6 to 10 mph
SW
|
|
Sunday
Apr 26
|
Light Snow Likely then Snow Showers Likely
|
35°F |
7 to 13 mph
SW
|
|
Sunday Night
Apr 26
|
Chance Light Snow then Mostly Cloudy
|
25°F |
3 to 12 mph
S
|
|
Monday
Apr 27
|
Chance Light Snow
|
41°F |
3 to 8 mph
SW
|
|
Monday Night
Apr 27
|
Slight Chance Light Snow
|
27°F |
2 to 8 mph
NNE
|
|
Tuesday
Apr 28
|
Chance Light Snow
|
45°F |
7 mph
W
|
|
Tuesday Night
Apr 28
|
Chance Light Snow
|
30°F |
2 to 6 mph
N
|
|
Wednesday
Apr 29
|
Chance Light Snow
|
44°F |
3 to 7 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Allen.