Ayer, MA Weather & Growing Conditions
Today
79°F
Sunny
Sunny. High near 79, with temperatures falling to around 67 in the afternoon. Southwest wind 7 to 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Sunny | 7 to 12 mph SW | 3% |
| Tonight | 57°F | Partly Cloudy | 6 mph SW | 2% |
| Thursday | 74°F | Mostly Cloudy | 5 to 10 mph SW | 14% |
| Thursday Night | 60°F | Chance Light Rain | 2 to 7 mph SW | 45% |
| Friday | 71°F | Light Rain | 3 mph S | 83% |
| Friday Night | 54°F | Light Rain | 1 mph SE | 90% |
| Saturday | 65°F | Light Rain Likely | 5 mph N | 64% |
| Saturday Night | 42°F | Chance Light Rain | 5 mph NW | 28% |
| Sunday | 58°F | Slight Chance Light Rain then Mostly Sunny | 7 mph W | 24% |
| Sunday Night | 35°F | Partly Cloudy | 3 mph W | 6% |
| Monday | 55°F | Mostly Sunny | 3 to 9 mph W | 14% |
| Monday Night | 33°F | Partly Cloudy | 6 mph W | 12% |
| Tuesday | 58°F | Mostly Sunny | 5 to 9 mph SW | 7% |
| Tuesday Night | 33°F | Partly Cloudy | 6 mph W | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ayer, MA
Last spring frost
Apr 29
First fall frost
Oct 11
Growing season
164 days
Hardiness zone
6a
Explore more for Ayer, MA: full frost dates · planting calendar · Massachusetts frost dates
Climate data from the nearest NOAA station, Fitchburg Muni Ap, Ma (9.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.