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

Brockton, Massachusetts Weather

Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →

Brockton weather forecast — hour by hour, 7-day outlook, NOAA radar

Brockton, MA
Sunday, July 5 at 1:07 AM
76
°
Overcast
Feels like
81°
Humidity
68%
Wind
3 mph
Sunrise
1:14 AM
Sunset
4:22 PM
Brockton, MA
Hour by hour · 24h
24-Hour ForecastBrockton, MA: 24-hour forecast. Temperatures range from 70 to 87 degrees Fahrenheit with a 26% chance of precipitation at 1 AM.
L 70°H 87°
Brockton, MA
7-day forecast
  1. Today
    Jul 5
    Overcast
    27%
    87°71°
  2. Monday
    Jul 6
    Rain
    61%
    0.55″
    71°60°-16°
  3. Tuesday
    Jul 7
    Light Showers
    76%
    1.3″
    61°59°-10°
  4. Wednesday
    Jul 8
    Overcast
    33%
    75°58°+14°
  5. Thursday
    Jul 9
    Light Drizzle
    11%
    0.01″
    83°59°+8°
  6. Friday
    Jul 10
    Drizzle
    48%
    0.06″
    91°68°+8°
  7. Saturday
    Jul 11
    Light Drizzle
    28%
    82°62°-9°
Brockton, MA
Anemometer · 24h winds · from true
NESW
From · True
SSW
207° · backing 67°
Direction
SSW
207°
Sustained
3
mph
Gust
7
mph
Peak 24h
23
avg 8
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 8 · pk 23 @ 2:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 194SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 67° from the ssw.
Brockton, MA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1008.5
+0.7 mb in 3h · rising · 29.78 inHg
Now
1008.5
mb
3h
+0.7
mb
12h
+2.4
mb
24h
+2.4
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10051009
1000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR-21h-18h-15h-12h-9h-6h-3h-24hNOW1008.51005.31008.5
−24h−18h−12h−6hnow
Damp, unsettled regime — wet weather lingers nearby.
Brockton, MA
Air quality
40
AQI
Good
-25 in 6h

AQI 40 (Good), driven by PM2.5. AQI down 25 over the last 6 hours — air quality is improving sharply. PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.97 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.

PM 2.5DRIVERGood
9.7μg/m³
PM 10Good
10μg/m³
NO₂Good
14μg/m³
OzoneGood
59μg/m³
UV IndexLow
0.0

What's driving it

PM × Wind × Precip

PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.97 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.97
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
Brockton, MA
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
48.1mi
UNLIMITED
110 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
05:07 UTC · Brockton, 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
05:07 UTC · Brockton, MA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Brockton, MA
Satellite · infrared · animated
Brockton, MA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Brockton, 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 08m
Sunset
4:22 PM
Civil dusk
8:58 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Brockton, MA
The moon
Waning Gibbous
76% illuminated
Moonrise
11:02 PM
Moonset
10:52 AM
In sign
♓︎ Pisces
Brockton, MA
Microseason
Jul 1–5

Cicadas claim the afternoon

fish
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Brockton at a glance

  • Today vs. normal: 6°F above the seasonal normal for this latitude
  • Last frost: April 28 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP codes: 02301, 02302

15-Day Forecast — Brockton

  1. Sun87°71°27%
  2. Mon71°60°61%
  3. Tue61°59°76%
  4. Wed75°58°33%
  5. Thu83°59°11%
  6. Fri91°68°48%
  7. Sat82°62°28%
  8. Sun79°63°24%
  9. Mon81°60°18%
  10. Tue85°60°22%
  11. Wed87°67°34%
  12. Thu85°64°34%
  13. Fri85°59°26%
  14. Sat88°58°29%
  15. Sun95°70°42%

Forecast data from Open-Meteo (CC BY 4.0).

Live wind & temperature near Brockton

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 — Brockton

SPC has placed Brockton in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWNONENo severe risk
  • DAY 3TSTMGeneral Thunderstorms

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 Brockton

  • 02301
  • 02302
  • 02303
  • 02304
  • 02305

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.