Fitchburg, Massachusetts Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Fitchburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——85°64°—
- MondayJul 6Light Drizzle65%0.02″79°62°-6°
- TuesdayJul 7Light Showers75%0.46″62°55°-17°
- WednesdayJul 8Overcast26%—77°53°+15°
- ThursdayJul 9Overcast17%—81°55°+4°
- FridayJul 10Light Drizzle32%0.01″81°63°0°
- SaturdayJul 11Overcast19%—81°54°0°
AQI 27 (Good), driven by PM2.5. AQI down 12 over the last 6 hours (gradual decline). PM2.5 at 6.3 µg/m³ (AQI 35) with a 0.98 fine-to-coarse ratio and 6 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.
What's driving it
PM × Wind × Precip
PM2.5 at 6.3 µg/m³ (AQI 35) with a 0.98 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.98
- 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
- 11:05 PM
- Moonset
- 10:56 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Fitchburg at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: May 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 01420
15-Day Forecast — Fitchburg
- Sun85°64°5%
- Mon79°62°65%
- Tue62°55°75%
- Wed77°53°26%
- Thu81°55°17%
- Fri81°63°32%
- Sat81°54°19%
- Sun79°57°18%
- Mon63°53°20%
- Tue85°53°21%
- Wed82°60°17%
- Thu86°58°35%
- Fri84°66°25%
- Sat83°66°35%
- Sun88°63°33%
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.
ZIP codes in Fitchburg
- 01420