Fontana Gateway Weather Forecast
- 57
- 81
Becoming Sunny
- 57
- 80
Patchy Fog
- 58
- 79
Patchy Fog
- 59
- 81
Patchy Fog
- 63
- 86
Patchy Fog
- 64
- 90
Patchy Fog
- 63
- 89
Patchy Fog
Today 31 May San Bernardino and Riverside County Valleys-The Inland Empire
Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 80 to 88. Light Winds becoming west 10 to 15 Mph this afternoon.
Tonight 31 May San Bernardino and Riverside County Valleys-The Inland Empire
Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows 49 to 56. Areas of Winds west to 10 Mph this evening becoming light.
Fontana Gateway Temperature Statistics
May Temperature
Ontario International Airport (3.1 miles)
Lowest 6 May, 2024
49.6 °FAverage May
65 °FHighest 9 May, 2024
82.7 °F
Climate (2019–Present)
Ontario International Airport (3.1 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
55.6 °FAverage 2019–2024
66.3 °FAverage High 2019–2024
78.9 °F