Newton, MA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newton, a city in Middlesex County, Massachusetts.
This Afternoon
73°F
Mostly Cloudy
Mostly cloudy. High near 73, with temperatures falling to around 64 in the afternoon. Southwest wind around 6 mph.
7-day forecast for Newton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Cloudy | 6 mph SW | 2% |
| Tonight | 52°F | Mostly Cloudy | 5 mph SW | 4% |
| Wednesday | 76°F | Mostly Sunny | 5 to 10 mph SW | 5% |
| Wednesday Night | 56°F | Partly Cloudy | 8 mph SW | 3% |
| Thursday | 75°F | Mostly Cloudy | 6 to 12 mph SW | 14% |
| Thursday Night | 63°F | Mostly Cloudy then Light Rain Likely | 5 to 8 mph SW | 56% |
| Friday | 70°F | Rain | 6 mph S | 84% |
| Friday Night | 56°F | Rain | 5 mph S | 85% |
| Saturday | 64°F | Light Rain | 8 mph NW | 75% |
| Saturday Night | 45°F | Chance Light Rain | 6 mph NW | 48% |
| Sunday | 60°F | Slight Chance Light Rain then Mostly Sunny | 8 mph W | 24% |
| Sunday Night | 38°F | Partly Cloudy | 5 mph W | 10% |
| Monday | 58°F | Slight Chance Light Rain | 6 to 10 mph W | 20% |
| Monday Night | 37°F | Slight Chance Light Rain | 8 mph W | 20% |
Forecast source: National Weather Service (api.weather.gov) for Newton (42.332, -71.208). Updated through the day.
Growing snapshot for Newton
Last spring frost
Apr 19
First fall frost
Oct 23
Growing season
185 days
Hardiness zone
6b
More local growing data for Newton: nearby ZIP 02461 weather · frost dates · planting calendar · Massachusetts frost dates
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Climate data from the nearest NOAA station, Jamaica Plain, Ma (4.3 mi from Newton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.