Riverside

Stevens County, California, United States

Unlock Minute-by-Minute Forecast

See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.

Current Weather

23°

Mostly Clear

Feels Like: 22°

Min: 19°

Max: 30°

The next few hours will be overcast, with today reaching 30°C and dropping to 17°C. The coming days will be clear starting in the afternoon.

Unlock Historical Data

Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

21° 24° 26° 29° 30° 30° 29° 27° 25° 22° 21° 20° 20° 20° 20° 20° 20° 18° 18° 17° 17° 16° 17° 18°
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
Today
Tomorrow

Daylight Hours

06:38

Sunrise

18:50

Sunset

12 hours 11 minutes of sunlight today

Moon

Waxing Crescent

11:13

Moonrise

20:44

Moonset

Daily Forecast

Today

19°
30°

Wednesday

16°
27°

Thursday

17°
26°

Friday

17°
27°

Saturday

17°
29°

Sunday

18°
28°

Monday

17°
27°

Tuesday

18°
28°

Wednesday

18°
25°

Thursday

18°
29°

Air Quality Data Available

Upgrade to access real-time air quality data for Riverside.

UV Index

Wear sunscreen
5 Moderate
Low Extreme

Humidity

66% Comfortable
Low High

Weather in Riverside today, September 15, 2026

Riverside is set for a fine, sunny day on September 15, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. Cloud leads the morning, peaking close to 74% near 10:00. Sunshine has little room until later in the day.

The day peaks near 30°C and cools toward 19°C. Moisture in the air spans 38%-84%, with the highest values around 22:00. Expect gentle winds, highest near 16:00 at 5.7 km/h.

The afternoon keeps an overcast feel, as cloud reaches about 100% around 23:00. Outdoor plans may still want a flexible backup. Expect visibility near 16.0 km, with poorer spells close to 15.3 km. The sun rises at 06:38 and sets at 18:50, for a total of 12 hours 11 minutes of sunlight today.

In short, September 15, 2026 looks like a fine day in Riverside for being outside, peaking around 30°C.

Frequently asked questions about weather in Riverside

How warm does it get in Riverside?

The warmest month in Riverside is August, with average high temperatures of 34°C. The average temperature during this period is around 26°C.

How cold does it get in Riverside?

The coldest month in Riverside is January, with average low temperatures of 6°C. The average temperature during this period is around 11°C.

What is the wettest time of year in Riverside?

The wettest month in Riverside is January, with an average of 103mm of precipitation.

What is the driest time of year in Riverside?

The driest month in Riverside is July, with an average of 1mm of precipitation.

View full climate insights for Riverside →

Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)