Newton, MA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newton, a city in Middlesex County, Massachusetts.
Overnight
61°F
Clear
Clear, with a low around 61. West wind around 7 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Newton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Clear | 7 mph W | 2% |
| Tuesday | 85°F | Sunny | 7 mph W | 0% |
| Tuesday Night | 63°F | Partly Cloudy | 2 to 6 mph SW | 2% |
| Wednesday | 85°F | Mostly Sunny | 2 to 7 mph W | 2% |
| Wednesday Night | 68°F | Partly Cloudy | 6 mph SW | 5% |
| Thursday | 88°F | Mostly Sunny then Slight Chance Rain Showers | 3 to 8 mph SW | 20% |
| Thursday Night | 73°F | Chance Rain Showers then Partly Cloudy | 5 to 8 mph SW | 25% |
| Friday | 91°F | Mostly Sunny then Slight Chance Rain Showers | 6 to 9 mph SW | 22% |
| Friday Night | 72°F | Chance Rain Showers then Partly Cloudy | 3 to 7 mph W | 30% |
| Saturday | 88°F | Mostly Sunny then Chance Rain Showers | 3 to 7 mph W | 32% |
| Saturday Night | 71°F | Chance Rain Showers | 6 mph SW | 43% |
| Sunday | 89°F | Mostly Sunny | 3 to 8 mph W | 12% |
| Sunday Night | 71°F | Slight Chance Rain Showers then Mostly Clear | 5 to 8 mph SW | 15% |
| Monday | 90°F | Sunny | 5 to 10 mph SW | 10% |
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 Aug 4, 2026.