Rossmoor Weather Forecast
- 53
- 87
Sunny
- 48
- 74
Mostly Sunny
- 50
- 78
Mostly Sunny
- 53
- 70
Slight Chance Rain
- 51
- 72
Mostly Sunny
- 53
- 77
Sunny
Today 5 Jun East Bay Interior Valleys
Sunny. Highs in the lower 90s. West Winds 5 to 15 Mph.
Tonight 5 Jun East Bay Interior Valleys
Mostly clear. Lows in the mid 50s. Southwest Winds 5 to 10 Mph.
Rossmoor Temperature Statistics
June Temperature
Concord, Buchanan Field (8.1 miles)
Lowest 2 June, 2026
54 °FAverage June
70 °FHighest 1 June, 2026
91.7 °F
Climate (2021–Present)
Concord, Buchanan Field (8.1 miles)
Average Low 2021–2026
51 °FAverage 2021–2026
61.5 °FAverage High 2021–2026
74.3 °F