Riverside, WA Weather Forecast

Local 7-day forecast

73°
F

Partly Sunny

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

Wednesday, September 23, 2026
Wind: 3 to 13 mph S
Wednesday

Partly sunny. High near 73, with temperatures falling to around 71 in the afternoon. South wind 3 to 13 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Riverside, WA 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 22, 2026 4:25 PM PDT.

The active forecast window currently covers Sep 23 to Sep 28, 2026 for Riverside, WA.

Page Snapshot

Page focus
city weather
Forecast window
Sep 23 to Sep 28, 2026
Latest sync
Sep 22, 2026 4:25 PM PDT
Forecast office
OTX
Source
NOAA / NWS
Next High
73°F
Wednesday
Next Low
50°F
Wednesday Night
Rain Outlook
3
Periods mentioning precipitation
Windiest
3 to 13 mph
Wednesday

Daily Outlook

Today
Sep 23
Partly Sunny
73 °F
/ 50°F
Wind 3 to 13 mph
Thu
Sep 24
Mostly Cloudy
72 °F
/ 52°F
Wind 6 to 10 mph
Fri
Sep 25
Showers And Thunderstorms
65 °F
/ 42°F
Wind 9 mph
Sat
Sep 26
Mostly Sunny
63 °F
/ 42°F
Wind 8 mph
Sun
Sep 27
Partly Sunny
64 °F
/ 41°F
Wind 6 mph
Mon
Sep 28
Partly Sunny
65 °F
/ 43°F
Wind 3 to 9 mph

This Week in Riverside

Wednesday looks like the warmest upcoming period in Riverside at 73 degrees F.

Sunday Night is the coolest period ahead with temperatures near 41 degrees F.

The strongest winds are forecast for Wednesday at about 3 to 13 mph S.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Sep 22, 2026 4:25 PM PDT
Coverage
7 days
Time zone
America/Los_Angeles
Forecast office
OTX
Radar station
KOTX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Wednesday Night
Sep 23
50°F
Mostly Cloudy
9 mph E

Mostly cloudy, with a low around 50. East wind around 9 mph, with gusts as high as 20 mph.

Thursday
Sep 24
72°F
Mostly Cloudy
6 to 10 mph SW

Mostly cloudy, with a high near 72. Southwest wind 6 to 10 mph.

Thursday Night
Sep 24
52°F
Light Rain
9 mph NW

Rain after 11pm. Cloudy, with a low around 52. Chance of precipitation is 90%.

Friday
Sep 25
65°F
Showers And Thunderstorms
9 mph SW

Rain before 11am, then showers and thunderstorms. Cloudy, with a high near 65. Chance of precipitation is 90%.

Friday Night
Sep 25
42°F
Chance Rain Showers then Mostly Cloudy
6 to 9 mph NW

A chance of rain showers before 11pm. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.

Saturday
Sep 26
63°F
Mostly Sunny
8 mph NW

Mostly sunny, with a high near 63.

Saturday Night
Sep 26
42°F
Mostly Cloudy
6 mph NW

Mostly cloudy, with a low around 42.

Sunday
Sep 27
64°F
Partly Sunny
6 mph W

Partly sunny, with a high near 64.

Sunday Night
Sep 27
41°F
Mostly Cloudy
2 to 6 mph NW

Mostly cloudy, with a low around 41.

Monday
Sep 28
65°F
Partly Sunny
3 to 9 mph S

Partly sunny, with a high near 65.

Monday Night
Sep 28
43°F
Mostly Cloudy
5 to 9 mph SE

Mostly cloudy, with a low around 43.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Sep 23
Partly Sunny
73°F
3 to 13 mph
S
Wednesday Night
Sep 23
Mostly Cloudy
50°F
9 mph
E
Thursday
Sep 24
Mostly Cloudy
72°F
6 to 10 mph
SW
Thursday Night
Sep 24
Light Rain
52°F
9 mph
NW
Friday
Sep 25
Showers And Thunderstorms
65°F
9 mph
SW
Friday Night
Sep 25
Chance Rain Showers then Mostly Cloudy
42°F
6 to 9 mph
NW
Saturday
Sep 26
Mostly Sunny
63°F
8 mph
NW
Saturday Night
Sep 26
Mostly Cloudy
42°F
6 mph
NW
Sunday
Sep 27
Partly Sunny
64°F
6 mph
W
Sunday Night
Sep 27
Mostly Cloudy
41°F
2 to 6 mph
NW
Monday
Sep 28
Partly Sunny
65°F
3 to 9 mph
S
Monday Night
Sep 28
Mostly Cloudy
43°F
5 to 9 mph
SE
Outcropping near Riverside WA
Outcropping near Riverside WA 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.