Rossmoor Weather Forecast
- 53
- 82
Sunny
- 55
- 93
Sunny
- 54
- 88
Mostly Sunny
- 50
- 72
Mostly Sunny
- 52
- 76
Mostly Sunny
- 52
- 77
Mostly Sunny
- 53
- 78
Mostly Sunny
Today 29 May East Bay Interior Valleys
Sunny. Highs in the mid to upper 80s. West Winds 10 to 15 Mph.
Tonight 29 May East Bay Interior Valleys
Clear. Lows in the upper 50s. Southwest Winds 5 to 15 Mph.
Rossmoor Temperature Statistics
May Temperature
Concord, Buchanan Field (8.1 miles)
Lowest 4 May, 2025
49.6 °FAverage May
65.3 °FHighest 9 May, 2025
92.6 °F
Climate (2020–Present)
Concord, Buchanan Field (8.1 miles)
Average Low 2020–2025
50.8 °FAverage 2020–2025
61.5 °FAverage High 2020–2025
74.7 °F