Gloucester, Massachusetts Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Gloucester weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——78°65°—
- MondayJul 6Light Drizzle38%0.02″73°63°-5°
- TuesdayJul 7Light Showers65%0.94″64°62°-9°
- WednesdayJul 8Overcast25%—66°61°+2°
- ThursdayJul 9Overcast14%—74°61°+8°
- FridayJul 10Light Drizzle41%0.02″79°67°+5°
- SaturdayJul 11Overcast13%—74°59°-5°
AQI 31 (Good), driven by PM2.5. AQI down 15 over the last 6 hours — air quality is improving sharply. PM2.5 at 8.4 µg/m³ (AQI 47) with a 0.98 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
Ozone × UV × Sky
Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 34
- UV peak
- 0.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 8.4 µg/m³ (AQI 47) with a 0.98 fine-to-coarse ratio and 5 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
- 11:01 PM
- Moonset
- 10:51 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Gloucester at a glance
- Today vs. normal: 3°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: 01930
15-Day Forecast — Gloucester
- Sun78°65°4%
- Mon73°63°38%
- Tue64°62°65%
- Wed66°61°25%
- Thu74°61°14%
- Fri79°67°41%
- Sat74°59°13%
- Sun74°64°11%
- Mon69°59°18%
- Tue73°57°16%
- Wed76°65°13%
- Thu79°65°26%
- Fri80°70°20%
- Sat79°69°29%
- Sun79°67°29%
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 Gloucester
- 01930
- 01931