Grand Terrace Weather Forecast
- 55
- 80
Increasing Clouds
- 54
- 80
Mostly Sunny
- 53
- 75
Chance Rain Showers
- 48
- 66
Mostly Sunny
- 51
- 74
Mostly Sunny
- 52
- 75
Mostly Sunny
Today 2 May San Bernardino and Riverside County Valleys-The Inland Empire
Mostly sunny. Highs 77 to 83. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph this afternoon.
Tonight 2 May San Bernardino and Riverside County Valleys-The Inland Empire
Clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 48 to 54. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.
Grand Terrace Temperature Statistics
May Temperature
San Bernardino Intl. Airport (5 miles)
Lowest
–Average May
–Highest
–
Climate (2019–Present)
San Bernardino Intl. Airport (5 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
54.4 °FAverage 2019–2024
63.4 °FAverage High 2019–2024
80.7 °F