Ayer Weather Forecast
- 21
- 39
Partly Sunny
- 11
- 39
Chance Snow
- 13
- 23
Snow Likely
- 16
- 26
Chance Snow
- 23
- 37
Rain/Snow Likely
- 17
- 35
Slight Chance Snow
Today 24 Dec Northwest Middlesex County
Mostly sunny. Highs in the upper 30s. Northwest Winds 10 to 15 Mph with Gusts up to 35 Mph.
Tonight 24 Dec Northwest Middlesex County
Partly cloudy in the Evening, then becoming cloudy. Lows in the lower 20s. Northwest Winds around 5 Mph, becoming southwest after midnight.
Ayer Temperature Statistics
December Temperature
Fitchburg, Fitchburg Municipal Airport (8.1 miles)
Lowest 9 December, 2025
1.9 °FAverage December
28.1 °FHighest 19 December, 2025
57.9 °F
Climate (2020–Present)
Fitchburg, Fitchburg Municipal Airport (8.1 miles)
Average Low 2020–2025
41.7 °FAverage 2020–2025
51.8 °FAverage High 2020–2025
61.7 °F