Westfield, Massachusetts Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Westfield weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast32%—88°66°—
- MondayJul 6Rain76%0.29″75°64°-13°
- TuesdayJul 7Heavy Rain76%0.73″65°58°-10°
- WednesdayJul 8Overcast23%—79°55°+14°
- ThursdayJul 9Light Drizzle17%—81°58°+2°
- FridayJul 10Light Drizzle48%0.04″82°65°+1°
- SaturdayJul 11Overcast31%—85°56°+3°
AQI 35 (Good), driven by PM2.5. AQI down 12 over the last 6 hours (gradual decline). PM2.5 at 5.2 µg/m³, PM10 at 5.4 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 5.2 µg/m³, PM10 at 5.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.96
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 11:09 PM
- Moonset
- 11:00 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Westfield at a glance
- Today vs. normal: 70°F — typical for the season
- Last frost: April 29 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 01085
15-Day Forecast — Westfield
- Sun88°66°32%
- Mon75°64°76%
- Tue65°58°76%
- Wed79°55°23%
- Thu81°58°17%
- Fri82°65°48%
- Sat85°56°31%
- Sun79°59°32%
- Mon69°56°21%
- Tue82°55°23%
- Wed85°62°23%
- Thu87°60°39%
- Fri82°67°34%
- Sat84°67°35%
- Sun88°64°34%
Forecast data from Open-Meteo (CC BY 4.0).
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 — Westfield
SPC includes Westfield in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- 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 Westfield
- 01085
- 01086