Hanscom AFB, Massachusetts Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Hanscom AFB weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——87°65°—
- MondayJul 6Light Drizzle63%0.02″80°61°-7°
- TuesdayJul 7Showers71%1.5″64°60°-16°
- WednesdayJul 8Overcast26%—82°55°+18°
- ThursdayJul 9Overcast11%—90°61°+8°
- FridayJul 10Light Drizzle35%—85°66°-5°
- SaturdayJul 11Overcast17%—77°57°-8°
AQI 55 (Moderate), driven by PM2.5. AQI up 11 over the last 6 hours (gradual rise). PM2.5 at 22.5 µg/m³ (AQI 76) with a 0.90 fine-to-coarse ratio and 4 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 7 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 40. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 40
- UV peak
- 5.6 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 15
PM × Wind × Precip
PM2.5 at 22.5 µg/m³ (AQI 76) with a 0.90 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- Wind
- calm
- 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
Hanscom AFB at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: May 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 01731
16-Day Forecast — Hanscom AFB
- Sun87°65°8%
- Mon80°61°63%
- Tue64°60°71%
- Wed82°55°26%
- Thu90°61°11%
- Fri85°66°35%
- Sat77°57°17%
- Sun72°58°13%
- Mon76°55°19%
- Tue87°56°18%
- Wed86°66°16%
- Thu83°59°20%
- Fri89°59°23%
- Sat93°63°20%
- Sun83°67°20%
- Mon82°69°24%
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 — Hanscom AFB
SPC includes Hanscom AFB 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 Hanscom AFB
- 01731