Irwindale, CA Weather Forecast

Local 7-day forecast

89°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Irwindale, CA in one place.

Saturday, July 18, 2026
Wind: 0 to 10 mph SSW
Saturday

Sunny, with a high near 89. South southwest wind 0 to 10 mph.

Local 7-day forecast

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: Jul 17, 2026 11:59 AM PDT.

The active forecast window currently covers Jul 18 to Jul 23, 2026 for Irwindale, CA.

Page Snapshot

Page focus
city weather
Forecast window
Jul 18 to Jul 23, 2026
Latest sync
Jul 17, 2026 11:59 AM PDT
Forecast office
LOX
Source
NOAA / NWS
Next High
89°F
Saturday
Next Low
66°F
Saturday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
0 to 10 mph
Saturday

Daily Outlook

Today
Jul 18
Sunny
89 °F
/ 66°F
Wind 0 to 10 mph
Sun
Jul 19
Sunny
90 °F
/ 66°F
Wind 0 to 10 mph
Mon
Jul 20
Mostly Sunny
89 °F
/ 67°F
Wind 0 to 10 mph
Tue
Jul 21
Sunny
91 °F
/ 67°F
Wind 0 to 10 mph
Wed
Jul 22
Sunny
94 °F
/ 68°F
Wind 0 to 10 mph
Thu
Jul 23
Mostly Sunny
93 °F
/ 68°F
Wind 0 to 10 mph

This Week in Irwindale

Wednesday looks like the warmest upcoming period in Irwindale at 94 degrees F.

Saturday Night is the coolest period ahead with temperatures near 66 degrees F.

The strongest winds are forecast for Saturday at about 0 to 10 mph SSW.

The forecast from Jul 18 through Jul 23 stays mostly dry.

Forecast Details

Last updated
Jul 17, 2026 11:59 AM PDT
Coverage
7 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 source

Extended Forecast

Saturday Night
Jul 18
66°F
Mostly Clear
0 to 10 mph SSW

Mostly clear, with a low around 66. South southwest wind 0 to 10 mph.

Sunday
Jul 19
90°F
Sunny
0 to 10 mph SW

Sunny, with a high near 90. Southwest wind 0 to 10 mph.

Sunday Night
Jul 19
66°F
Partly Cloudy
0 to 10 mph SSW

Partly cloudy, with a low around 66.

Monday
Jul 20
89°F
Mostly Sunny
0 to 10 mph SSW

Mostly sunny, with a high near 89.

Monday Night
Jul 20
67°F
Mostly Clear
0 to 10 mph SSW

Mostly clear, with a low around 67.

Tuesday
Jul 21
91°F
Sunny
0 to 10 mph SSW

Sunny, with a high near 91.

Tuesday Night
Jul 21
67°F
Mostly Clear
0 to 10 mph SW

Mostly clear, with a low around 67.

Wednesday
Jul 22
94°F
Sunny
0 to 10 mph WSW

Sunny, with a high near 94.

Wednesday Night
Jul 22
68°F
Partly Cloudy
0 to 10 mph SW

Partly cloudy, with a low around 68.

Thursday
Jul 23
93°F
Mostly Sunny
0 to 10 mph WSW

Mostly sunny, with a high near 93.

Thursday Night
Jul 23
68°F
Partly Cloudy
0 to 10 mph SW

Partly cloudy, with a low around 68.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Jul 18
Sunny
89°F
0 to 10 mph
SSW
Saturday Night
Jul 18
Mostly Clear
66°F
0 to 10 mph
SSW
Sunday
Jul 19
Sunny
90°F
0 to 10 mph
SW
Sunday Night
Jul 19
Partly Cloudy
66°F
0 to 10 mph
SSW
Monday
Jul 20
Mostly Sunny
89°F
0 to 10 mph
SSW
Monday Night
Jul 20
Mostly Clear
67°F
0 to 10 mph
SSW
Tuesday
Jul 21
Sunny
91°F
0 to 10 mph
SSW
Tuesday Night
Jul 21
Mostly Clear
67°F
0 to 10 mph
SW
Wednesday
Jul 22
Sunny
94°F
0 to 10 mph
WSW
Wednesday Night
Jul 22
Partly Cloudy
68°F
0 to 10 mph
SW
Thursday
Jul 23
Mostly Sunny
93°F
0 to 10 mph
WSW
Thursday Night
Jul 23
Partly Cloudy
68°F
0 to 10 mph
SW
IrwindaleSpeedway
IrwindaleSpeedway image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.