Irwindale, CA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Irwindale, CA in one place.
Mostly sunny, with a high near 82.
Local Weather Overview
This forecast page for Irwindale, 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 16, 2026 1:39 AM PDT.
The active forecast window currently covers Apr 19 to Apr 22, 2026 for Irwindale, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 1:39 AM PDT
- Forecast office
- LOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Irwindale
Sunday looks like the warmest upcoming period in Irwindale at 82 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Sunday at about 0 to 10 mph S.
The forecast from Apr 19 through Apr 22 stays mostly dry.
Forecast Details
- Last updated
- Apr 16, 2026 1:39 AM PDT
- Coverage
- 4 days
- Time zone
- America/Los_Angeles
- Forecast office
- LOX
- Radar station
- KSOX
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 53.
Sunny, with a high near 76.
Partly cloudy, with a low around 53.
Mostly sunny, with a high near 72.
Partly cloudy, with a low around 51.
Mostly sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Mostly Sunny
|
82°F |
0 to 10 mph
S
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
53°F |
0 to 10 mph
S
|
|
Monday
Apr 20
|
Sunny
|
76°F |
0 to 10 mph
SSW
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
53°F |
0 to 10 mph
SW
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
72°F |
0 to 10 mph
SW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
51°F |
0 to 10 mph
SSW
|
|
Wednesday
Apr 22
|
Mostly Sunny
|
74°F |
0 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Irwindale.