Thursday
Sunny
High:
101°F
Sunny, with a high near 101. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Fontana, CA Weather - Extended Forecast
Thursday Night
Mostly clear
Overnight low:
73°F
Mostly clear, with a low around 73.
Friday
Sunny
High:
102°F
Sunny, with a high near 102.
Friday Night
Mostly clear
Overnight low:
72°F
Mostly clear, with a low around 72.
Saturday
Sunny
High:
101°F
Saturday Night
Clear
Overnight low:
71°F
Sunday
Sunny
High:
101°F
Sunday Night
Mostly clear
Overnight low:
71°F
Monday
Sunny
High:
100°F