🇺🇸 Weather in Riverside
Map Overlays:
Hourly Forecast for Riverside
05:00
20°
82%
06:00
19°
81%
07:00
19°
68%
08:00
20°
46%
09:00
19°
63%
10:00
18°
76%
11:00
19°
27%
12:00
20°
17%
13:00
20°
20%
14:00
20°
21%
15:00
20°
17%
16:00
21°
13%
17:00
20°
12%
18:00
20°
13%
19:00
19°
14%
20:00
19°
15%
21:00
19°
20%
22:00
18°
24%
23:00
18°
36%
00:00
18°
30%
01:00
18°
49%
02:00
18°
36%
03:00
17°
36%
04:00
17°
37%
14-Day Forecast for Riverside
2026-10-11
Patchy rain nearby
24° /
18°
2026-10-12
Light rain shower
18° /
16°
2026-10-13
Sunny
23° /
15°
2026-10-14
Sunny
29° /
18°
2026-10-15
Sunny
32° /
20°
2026-10-16
Sunny
34° /
23°
2026-10-17
Sunny
34° /
24°
Additional Forecasts for Riverside
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 136.0 μg/m³
O₃ (Ozone) 18.0 μg/m³
NO₂ (Nitrogen Dioxide) 16.1 μg/m³
SO₂ (Sulphur Dioxide) 0.3 μg/m³
PM2.5 (Fine particles) 4.3 μg/m³
PM10 (Coarse particles) 4.3 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United States
Weather in Riverside — FAQ
Answers refreshed each request based on current conditions in Riverside.
What is the weather like right now in Riverside?
Right now in Riverside, United States the temperature is 17.9°C (feels like 17.9°C), with mist. Relative humidity is 100% and wind is 4.7 km/h.
What is today's high and low temperature in Riverside?
Today's forecast high in Riverside is 24.4°C and the overnight low is 18.1°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Riverside today?
The chance of precipitation in Riverside today is 80%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Riverside differ from nearby cities?
Even short distances can change temperatures noticeably. Riverside's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.