Petersham Weather Forecast
- 60
- 80
Mostly Cloudy
- 61
- 81
Partly Sunny
- 56
- 79
Chance Rain Showers
- 58
- 79
Partly Sunny
- 59
- 76
Chance Rain Showers
- 59
- 75
Rain Showers Likely
Today 18 Aug Northern Worcester
Mostly cloudy in the Morning, then partly sunny with a slight chance of Showers and Thunderstorms in the afternoon. Patchy fog in the morning. Humid with Highs in the lower 80s. North Winds around 5 Mph. Chance of rain 20 percent.
Tonight 18 Aug Northern Worcester
Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog after midnight. Humid with Lows in the lower 60s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.
Petersham Temperature Statistics
August Temperature
Orange Municipal Airport (7.5 miles)
Lowest 15 August, 2026
51.1 °FAverage August
72.6 °FHighest 7 August, 2026
90 °F
Climate (2021–2026)
Orange Municipal Airport (7.5 miles)
Average Low 2021–2026
38.8 °FAverage 2021–2026
49.6 °FAverage High 2021–2026
60.2 °F