Jonathan Weather Forecast
- 61
- 92
Sunny
- 64
- 97
Hot
- 67
- 103
Hot
- 67
- 100
Hot
- 65
- 94
Sunny
- 66
- 97
Hot
Today 6 Jul Lower Treasure Valley
Sunny. Highs 87 to 92. Northwest Winds up to 10 Mph.
Tonight 6 Jul Lower Treasure Valley
Mostly clear. Lows 58 to 63. North Winds up to 10 Mph.
Jonathan Temperature Statistics
July Temperature
Ontario Municipal Airport (17.4 miles)
Lowest 1 July, 2025
64.9 °FAverage July
83.5 °FHighest 1 July, 2025
102.9 °F
Climate (2020–Present)
Ontario Municipal Airport (17.4 miles)
Average Low 2020–2025
42.5 °FAverage 2020–2025
54.6 °FAverage High 2020–2025
67.1 °F