Weather StoryAlmanac, microseasons, and the day's weather story.

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

Seabrook, MA
Sunday, July 5 at 8:27 AM
72
°
Overcast
Feels like
78°
Humidity
81%
Wind
2 mph
Sunrise
1:14 AM
Sunset
4:19 PM
Seabrook, MA
Hour by hour · 24h
24-Hour ForecastSeabrook, MA: 24-hour forecast. Temperatures range from 68 to 78 degrees Fahrenheit with a 43% chance of precipitation at 5 AM.
L 68°H 78°
Seabrook, MA
7-day forecast
  1. Today
    Jul 5
    Heavy Rain
    85%
    0.65″
    78°70°
  2. Monday
    Jul 6
    Drizzle
    71%
    0.04″
    75°67°-3°
  3. Tuesday
    Jul 7
    Heavy Rain
    84%
    0.61″
    71°61°-4°
  4. Wednesday
    Jul 8
    Light Drizzle
    24%
    76°62°+5°
  5. Thursday
    Jul 9
    Overcast
    79°67°+3°
  6. Friday
    Jul 10
    Light Drizzle
    19%
    0.01″
    88°67°+9°
  7. Saturday
    Jul 11
    Overcast
    15%
    81°66°-7°
Seabrook, MA
Anemometer · 24h winds · from true
NESW
From · True
SW
225° · backing 60°
Direction
SW
225°
Sustained
2
mph
Gust
5
mph
Peak 24h
23
avg 6
Beaufort · 1 · LIGHT AIR
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 6 · pk 23 @ 3:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 144SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Seabrook, MA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1012.6
+0.3 mb in 3h · steady · 29.90 inHg
Now
1012.6
mb
3h
+0.3
mb
12h
+4.0
mb
24h
+2.8
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10081013
1000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1012.31008.01012.3
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
Seabrook, MA
Air quality
51
AQI
Moderate
+1 in 6hPeak ~59 @ 6 PM

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.

PM 2.5DRIVERModerate
19.8μg/m³
PM 10Good
23μg/m³
NO₂Good
3μg/m³
OzoneModerate
76μg/m³
UV IndexLow
0.7

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
Seabrook, MA
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
36.1mi
UNLIMITED
77 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
12:27 UTC · Seabrook, MA · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
12:27 UTC · Seabrook, MA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Seabrook, MA
Satellite · infrared · animated
Seabrook, MA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Seabrook, MA
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:41 AM
Sunrise
1:14 AM
Daylight
15h 05m
Sunset
4:19 PM
Civil dusk
8:54 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Seabrook, MA
The moon
Waning Gibbous
73% illuminated
Moonrise
10:59 PM
Moonset
10:50 AM
In sign
♓︎ Pisces
Seabrook, MA
Microseason
Jul 1–5

Cicadas claim the afternoon

fish
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

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

  1. Sun78°70°85%
  2. Mon75°67°71%
  3. Tue71°61°84%
  4. Wed76°62°24%
  5. Thu79°67°6%
  6. Fri88°67°19%
  7. Sat81°66°15%
  8. Sun68°59°15%
  9. Mon73°58°19%
  10. Tue77°59°20%
  11. Wed83°67°15%
  12. Thu80°63°29%
  13. Fri80°64°19%
  14. Sat79°71°45%
  15. Sun84°69°23%
  16. 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

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.