Mount Martha Weather Forecast
- 40
- 51
Slight Chance Rain Showers
- 48
- 62
Chance Rain Showers
- 40
- 61
Breezy
- 53
- 67
Partly Sunny
- 56
- 73
Chance Thunderstorms
- 43
- 68
Rain Showers Likely
Today 15 May Southern Coos
Cloudy with rain likely this Morning, then partly sunny with a chance of rain this afternoon. Highs in the lower 60s. Light and variable Winds. Chance of rain 70 percent.
Tonight 15 May Southern Coos
Partly cloudy. A slight chance of Showers this evening. Patchy fog after midnight. Lows in the lower 40s. Light and variable Winds. Chance of rain 20 percent.
Mount Martha Temperature Statistics
May Temperature
Mount Washington (10.6 miles)
Lowest 3 May, 2026
17.6 °FAverage May
27.1 °FHighest 5 May, 2026
51.8 °F
Climate (2021–Present)
Mount Washington (10.6 miles)
Average Low 2021–2026
24.5 °FAverage 2021–2026
29.9 °FAverage High 2021–2026
35 °F