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

Stamford, Connecticut Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

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

Stamford, CT
Saturday, July 4 at 8:50 AM
86
°
Mostly Clear
Feels like
92°
Humidity
61%
Wind
6 mph
Sunrise
1:27 AM
Sunset
4:30 PM
Stamford, CT
Hour by hour · 24h
24-Hour ForecastStamford, CT: 24-hour forecast. Temperatures range from 74 to 98 degrees Fahrenheit with a 28% chance of precipitation at 8 PM.
L 74°H 98°
Stamford, CT
7-day forecast
  1. Today
    Jul 4
    Light Drizzle
    28%
    0.01″
    98°76°
  2. Sunday
    Jul 5
    Heavy Rain
    77%
    0.57″
    88°72°-10°
  3. Monday
    Jul 6
    Showers
    88%
    2.6″
    72°63°-16°
  4. Tuesday
    Jul 7
    Drizzle
    68%
    0.14″
    64°57°-8°
  5. Wednesday
    Jul 8
    Overcast
    13%
    85°54°+21°
  6. Thursday
    Jul 9
    Light Drizzle
    17%
    87°67°+2°
  7. Friday
    Jul 10
    Light Drizzle
    38%
    90°68°+3°
Stamford, CT
Anemometer · 24h winds · from true
NESW
From · True
WNW
291° · steady
Direction
WNW
291°
Sustained
6
mph
Gust
11
mph
Peak 24h
24
avg 7
Beaufort · 2 · LIGHT BRZ
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 7 · pk 24 @ 8:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 244SUSTGUST
−24h−18h−12h−6hnow
Light breeze holding from the wnw.
Stamford, CT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1008.3
-0.4 mb in 3h · steady · 29.78 inHg
Now
1008.3
mb
3h
-0.4
mb
12h
-0.1
mb
24h
-3.0
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10071011
1000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR-21h-18h-15h-12h-9h-6h-3h-24hNOW1010.81007.01007.8
−24h−18h−12h−6hnow
Damp, unsettled regime — wet weather lingers nearby.
Stamford, CT
Air quality
35
AQI
Good
-1 in 6hPeak ~60 @ 7 PM

AQI 35 (Good), driven by PM2.5. AQI projected to climb to 60 over the next 6 hours. PM2.5 at 9.9 µg/m³ (AQI 52) with a 0.91 fine-to-coarse ratio and 6 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 7 PM.

PM 2.5DRIVERGood
9.9μg/m³
PM 10Good
11μg/m³
NO₂Good
5μg/m³
OzoneModerate
92μg/m³
UV IndexLow
1.6

What's driving it

Ozone × UV × Sky

Ozone at AQI 43 now. With UV 5.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 31 around 1 PM.

Present
AQI 43
UV peak
5.3 at 1 PM
Sky at peak
clear
Projected peak
AQI 31

PM × Wind × Precip

PM2.5 at 9.9 µg/m³ (AQI 52) with a 0.91 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.91
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Stamford, CT
Sky cover · visibility · 24h
Cloud cover
20%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
55.2mi
UNLIMITED
113 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
12:50 UTC · Stamford, CT · 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
12:50 UTC · Stamford, CT · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Stamford, CT
Satellite · infrared · animated
Stamford, CT
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Stamford, CT
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:54 AM
Sunrise
1:27 AM
Daylight
15h 03m
Sunset
4:30 PM
Civil dusk
9:04 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Stamford, CT
The moon
Waning Gibbous
81% illuminated
Moonrise
10:49 PM
Moonset
9:56 AM
In sign
♓︎ Pisces
Stamford, CT
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Stamford at a glance

  • Today vs. normal: 15°F above the seasonal normal for this latitude
  • Last frost: April 23 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP codes: 06901, 06902, 06903, 06905, 06906, 06907

16-Day Forecast — Stamford

  1. Sat98°76°28%
  2. Sun88°72°77%
  3. Mon72°63°88%
  4. Tue64°57°68%
  5. Wed85°54°13%
  6. Thu87°67°17%
  7. Fri90°68°38%
  8. Sat78°70°28%
  9. Sun70°66°29%
  10. Mon69°62°21%
  11. Tue75°63°22%
  12. Wed82°62°22%
  13. Thu95°72°35%
  14. Fri95°75°39%
  15. Sat85°74°23%
  16. Sun86°69°21%

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

Live wind & temperature near Stamford

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 — Stamford

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

  • TODAYMRGLMarginal Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • 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 Stamford

  • 06906
  • 06907
  • 06905
  • 06902
  • 06903
  • 06901
  • 06904
  • 06910
  • 06911
  • 06912
  • 06913
  • 06914
  • 06926
  • 06927

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.