South Ashburnham, Massachusetts Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
South Ashburnham weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——81°63°—
- MondayJul 6Light Drizzle65%0.03″77°62°-4°
- TuesdayJul 7Showers75%1.6″60°56°-17°
- WednesdayJul 8Overcast24%—82°51°+22°
- ThursdayJul 9Foggy19%—87°58°+5°
- FridayJul 10Thunderstorm32%—82°63°-5°
- SaturdayJul 11Overcast20%—77°56°-5°
AQI 47 (Good), driven by PM2.5. AQI up 11 over the last 6 hours (gradual rise). PM2.5 at 21.1 µg/m³ (AQI 73) with a 0.98 fine-to-coarse ratio and 3 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 34. Overcast through the UV peak window (cloud cover ~75%) — afternoon ozone should stay flat.
- Present
- AQI 34
- UV peak
- 4.7 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 11
PM × Wind × Precip
PM2.5 at 21.1 µg/m³ (AQI 73) with a 0.98 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.98
- 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
- 11:06 PM
- Moonset
- 10:56 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
South Ashburnham at a glance
- Today vs. normal: 3°F above 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.
16-Day Forecast — South Ashburnham
- Sun81°63°5%
- Mon77°62°65%
- Tue60°56°75%
- Wed82°51°24%
- Thu87°58°19%
- Fri82°63°32%
- Sat77°56°20%
- Sun72°55°19%
- Mon76°52°21%
- Tue84°55°21%
- Wed82°60°18%
- Thu76°57°24%
- Fri83°56°33%
- Sat87°59°15%
- Sun76°62°26%
- Mon83°66°26%
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 South Ashburnham
- 01430