Next 12 hours
Hour by hour from the National Weather Service
7 day forecast
Highs and lows for the week
Live radar and maps
Radar map by Windy
Plan your day in Fontana
For a nice day outside
Picked for today's weather in Fontana.
🛒Shop For a nice day outside on AmazonSee what is popular →As an Amazon Associate, community.observer earns from qualifying purchases. Prices and availability are shown as of the time they were last checked and can change.
Cheap flights from Fontana
Fares from the nearest big airport.
Loading Cheap flights from Fontana...
Travel deals come from our partner Travelpayouts. If you book through them, community.observer may earn a commission at no extra cost to you.
Forecast in detail
Today, 73°. Mostly sunny, with a high near 73. Southwest wind 0 to 5 mph.
Tonight, 53°. Mostly clear, with a low around 53. Southeast wind 0 to 5 mph.
Wednesday, 73°. Sunny, with a high near 73. Southwest wind 0 to 5 mph.
Wednesday Night, 56°. Mostly clear, with a low around 56. North wind 0 to 5 mph.
Thursday, 76°. Sunny, with a high near 76. Northwest wind 0 to 5 mph.
Thursday Night, 56°. Mostly clear, with a low around 56.
Friday, 79°. Sunny, with a high near 79.
Friday Night, 56°. Clear, with a low around 56.
Saturday, 81°. Sunny, with a high near 81.
Saturday Night, 58°. Clear, with a low around 58.