Seabrook, Massachusetts Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Seabrook weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Heavy Rain85%0.65″78°70°—
- MondayJul 6Drizzle71%0.04″75°67°-3°
- TuesdayJul 7Heavy Rain84%0.61″71°61°-4°
- WednesdayJul 8Light Drizzle24%—76°62°+5°
- ThursdayJul 9Overcast——79°67°+3°
- FridayJul 10Light Drizzle19%0.01″88°67°+9°
- SaturdayJul 11Overcast15%—81°66°-7°
AQI 51 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 19.8 µg/m³, PM10 at 23.3 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 during the projected peak around 6 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 36. Overcast through the UV peak window (cloud cover ~94%) — afternoon ozone should stay flat.
- Present
- AQI 36
- UV peak
- 2.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 19.8 µg/m³, PM10 at 23.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.85
- Wind
- calm
- Recent rain
- 1h 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
- 10:59 PM
- Moonset
- 10:50 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Seabrook at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Seabrook
- Sun78°70°85%
- Mon75°67°71%
- Tue71°61°84%
- Wed76°62°24%
- Thu79°67°6%
- Fri88°67°19%
- Sat81°66°15%
- Sun68°59°15%
- Mon73°58°19%
- Tue77°59°20%
- Wed83°67°15%
- Thu80°63°29%
- Fri80°64°19%
- Sat79°71°45%
- Sun84°69°23%
- Mon83°72°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.
SPC Convective Outlook
Storm Prediction Center — Seabrook
SPC includes Seabrook 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 Seabrook
- 02649