Seabrook Beach, New Hampshire Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Seabrook Beach weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast20%—91°73°—
- SundayJul 5Overcast——76°69°-15°
- MondayJul 6Overcast45%—69°64°-7°
- TuesdayJul 7Showers68%1.1″65°60°-4°
- WednesdayJul 8Light Drizzle51%0.04″68°59°+3°
- ThursdayJul 9Overcast11%—87°58°+19°
- FridayJul 10Light Drizzle38%0.01″84°67°-3°
AQI 94 (Moderate), driven by Ozone. AQI up 49 in the last 6 hours — air quality is degrading. Ozone at AQI 66 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 66 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 66
- UV peak
- 0.8 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 66
PM × Wind × Precip
PM2.5 at 8.9 µg/m³, PM10 at 9.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.91
- Wind
- breezy
- Recent rain
- 0h 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
- 10:41 PM
- Moonset
- 9:42 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Seabrook Beach at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: May 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Seabrook Beach
- Sat91°73°20%
- Sun76°69°4%
- Mon69°64°45%
- Tue65°60°68%
- Wed68°59°51%
- Thu87°58°11%
- Fri84°67°38%
- Sat77°66°21%
- Sun67°64°17%
- Mon68°63°23%
- Tue75°61°24%
- Wed85°60°24%
- Thu86°65°45%
- Fri90°64°32%
- Sat90°68°30%
- Sun87°73°32%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 Beach
SPC has placed Seabrook Beach in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Beach
- 03874