See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
17°
Clear
Feels Like: 22°
Min: 12°
Max: 23°
The next few hours will be clear, with tomorrow reaching 28°C and dropping to 17°C. The coming days will be clear throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:22
Sunrise
19:40
Sunset
Moon
Waxing Crescent
11:05
Moonrise
20:47
Moonset
Daily Forecast
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Wednesday
Thursday
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Saturday
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Wednesday
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Weather in Riverside tomorrow, September 15, 2026
Conditions in Riverside on September 15, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. Cloud leads the morning, peaking close to 100% near 02:00. Sunshine has little room until later in the day.
Temperatures climb from an overnight low near 14°C toward a daytime high of about 28°C. Relative humidity sits between 26% and 87%, reaching its peak around 05:00. Winds stay light, near 8.8 km/h by 19:00, so the day feels still more than breezy.
Afternoon conditions open up, holding cloud close to 40% near 13:00. The day finishes on a milder, brighter note. Views remain open at about 16.1 km. Expect sunrise at 07:23, sunset at 19:38, and 12 hours 14 minutes of sunlight today overall.
In short, September 15, 2026 looks like a fine day in Riverside for being outside, peaking around 28°C.
Frequently asked questions about weather in Riverside
How warm does it get in Riverside?
The warmest month in Riverside is July, with average high temperatures of 29°C. The average temperature during this period is around 25°C.
How cold does it get in Riverside?
The coldest month in Riverside is January, with average low temperatures of -4°C. The average temperature during this period is around -1°C.
What is the wettest time of year in Riverside?
The wettest month in Riverside is May, with an average of 113mm of precipitation.
What is the driest time of year in Riverside?
The driest month in Riverside is September, with an average of 72mm of precipitation.
