Thursday
Hot
High:
102°F
Sunny and hot, with a high near 102. Calm wind becoming south southwest around 5 mph in the afternoon.
Ontario, OR Weather - Extended Forecast
Thursday Night
Mostly clear
Overnight low:
71°F
Mostly clear, with a low around 71. Southeast wind 5 to 8 mph becoming northwest after midnight.
Friday
Hot
High:
100°F
Sunny and hot, with a high near 100.
Friday Night
Mostly clear
Overnight low:
67°F
Mostly clear, with a low around 67.
Saturday
Hot
High:
100°F
Saturday Night
Mostly clear
Overnight low:
68°F
Sunday
Hot
High:
101°F
Sunday Night
Partly cloudy
Overnight low:
69°F
Monday
Hot
High:
100°F
Monday Night
Mostly cloudy
Overnight low:
70°F
Tuesday
Hot
High:
100°F