Newton, Massachusetts Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Newton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast13%—84°68°—
- MondayJul 6Drizzle66%0.03″79°64°-5°
- TuesdayJul 7Rain74%0.46″63°60°-16°
- WednesdayJul 8Overcast25%—71°59°+8°
- ThursdayJul 9Overcast11%—84°57°+13°
- FridayJul 10Thunderstorm37%0.04″84°62°0°
- SaturdayJul 11Overcast17%—84°57°0°
AQI 28 (Good), driven by PM2.5. AQI down 10 over the last 6 hours (gradual decline). PM2.5 at 9.0 µg/m³ (AQI 50) with a 0.99 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 4 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 9.0 µg/m³ (AQI 50) with a 0.99 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.99
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:03 PM
- Moonset
- 10:53 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Newton at a glance
- Today vs. normal: 71°F — typical for the season
- Last frost: April 30 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 02458
15-Day Forecast — Newton
- Sun84°68°13%
- Mon79°64°66%
- Tue63°60°74%
- Wed71°59°25%
- Thu84°57°11%
- Fri84°62°37%
- Sat84°57°17%
- Sun82°61°13%
- Mon66°56°18%
- Tue81°54°20%
- Wed85°63°15%
- Thu89°61°26%
- Fri90°68°19%
- Sat89°68°27%
- Sun92°66°29%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Newton
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Newton
SPC includes Newton in the general thunderstorm area tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Newton
- 02464
- 02466
- 02461
- 02462
- 02468
- 02465
- 02467
- 02460
- 02458
- 02459
- 02456
- 02495