Fontana, US-California – Weather Tomorrow August 18

Tuesday, August 18
Night 11:00pm – 05:00am partly cloudy
24° 27° 75° 81°
partly cloudy
SSW 4 km/h 3 mph
Morning 05:00am – 11:00am partly cloudy
23° 32° 73° 90°
partly cloudy
WNW 3 km/h 2 mph
Afternoon 11:00am – 05:00pm mostly clear
33° 37° 91° 99°
mostly clear
SW 8 km/h 5 mph
Evening 05:00pm – 11:00pm mostly clear
28° 35° 82° 95°
mostly clear
WSW 16 km/h 10 mph

Weather Tomorrow – Summary

Tomorrow, on Tuesday morning partly cloudy, during the day mostly clear, evening mostly clear. Temperature: 23° to 37°C73° to 99°F. Wind: 3 to 16 km/h2 to 10 mph.

Data source: MET Norway — Last updated: Aug 17, 2026, 01:39 UTC