Stamford, Connecticut Weather
Last leaves cling stubbornly. Day 50 of autumn. Read this microseason across nine climate regions →
Stamford weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 4:29 PM EST · Open-Meteo
- TodayNov 10Clear——62°45°—
- WednesdayNov 11Overcast——61°41°-1°
- ThursdayNov 12Showers88%0.24″55°47°-6°
- FridayNov 13Light Drizzle80%0.08″49°40°-6°
- SaturdayNov 14Light Drizzle31%0.01″45°38°-4°
- SundayNov 15Overcast——45°39°0°
- MondayNov 16Partly Cloudy——50°36°+5°
Air quality now AQI 29 · Good
AQI 29 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.3 µg/m³, PM10 at 8.4 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 10 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 8.3 µg/m³, PM10 at 8.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.99
- Wind
- light
- 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).
When the wind is in the west, the weather is at its best.
- Moonrise
- 8:15 AM
- Moonset
- 5:13 PM
- In sign
- ♐︎ Sagittarius
Last leaves cling stubbornly
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Stamford at a glance
- Today vs. normal: Today averages 54°F (high 62°F, low 45°F), 8°F above the 46°F normal for Nov 10
- Last frost: April 17 (1991–2020 median, NOAA station 3 km away)
- Microseason: Nov 6–10
- Planting calendar: November — harvest fall brassicas, carrots
16-Day Forecast — Stamford
- Tue62°46°1%
- Wed61°41°1%
- Thu55°47°88%
- Fri49°40°80%
- Sat45°38°31%
- Sun45°39°1%
- Mon50°36°1%
- Tue49°37°3%
- Wed51°37°2%
- Thu52°35°5%
- Fri53°39°5%
- Sat56°41°13%
- Sun62°46°31%
- Mon63°51°39%
- Tue51°34°29%
- Wed44°33°13%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Stamford
Interactive wind and temperature map centered on Stamford — it loads in your browser. Open the full weather map.
Right now in the garden
Post-frost dormancy
As of November 10, the season's first frost (typically October 23) is due or past. Bring frost-tender plants indoors, mulch overwintering beds, and turn spent plantings under. This city's planting calendar for November: harvest fall brassicas and carrots.
SPC Convective Outlook
Storm Prediction Center — Stamford
SPC includes Stamford in the general thunderstorm area day after tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook.
Sun & seasons in Stamford
Stamford sits in Western Connecticut County, where the year’s longest day runs 15h 8m of daylight and its shortest just 9h 13m — a swing of +5h 56m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Hartford, the state’s largest city, lies about 64 miles to the NE. The nearest town Stamford tracks is Bridgeport, roughly 20 miles to the ENE.
Air quality in Stamford
Air quality in Stamford’s county has trended cleaner since 2020; its cleanest year on record was 2024 (median AQI 42). See the full air-quality history for Stamford.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes | radishes |
| May | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| July | tomatoes, peppers, beans, squash | lettuce, peas, beans, summer squash, garlic |
| August | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, winter squash |
| September | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| November | — | fall brassicas, carrots |
A year in weather
Stamford's warmest month is July (~75°F mean) and its coldest is January (~30°F). Rainfall peaks in September (5.2 inches) and bottoms out in February (3.1 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 30° | 4.3″ | 11 |
| February | 32° | 3.1″ | 8 |
| March | 40° | 4.7″ | 10 |
| April | 51° | 4.4″ | 12 |
| May | 61° | 4.1″ | 12 |
| June | 69° | 4.9″ | 12 |
| July | 75° | 3.8″ | 9 |
| August | 73° | 3.8″ | 9 |
| September | 66° | 5.2″ | 9 |
| October | 55° | 4.6″ | 10 |
| November | 44° | 4.2″ | 10 |
| December | 35° | 4.4″ | 11 |
Regional context
Similar climates Noroton Heights, CT, Cos Cob, CT, New Canaan, CT
Stamford swings from 30°F in January to 75°F in July (44°F) per NOAA NCEI 1991-2020 normals; precipitation in Stamford runs about 51.6 inches on roughly 124 measurable days.
Rainfall in Stamford splits evenly between the seasons: September tops out at 5.2 inches over 9.1 rainy days, and February logs 3.1 inches across 8.3 — neither half of Stamford's year dominates. That lines Stamford up with places like Noroton Heights, CT, Cos Cob, CT and New Canaan, CT, fed by overlapping storm tracks.
Once Stamford passes April 17, freezes fade and Stamford's beds take peas, lettuce, spinach, and radishes. Tomatoes and peppers do best set out two weeks later in Stamford, once nights clear the mid-40s°F. The season ends by October 23 in Stamford, once hard frosts set back in. That date is a median: Stamford freezes sooner in half of years.
Similar climates: Noroton Heights, CT, Cos Cob, CT, New Canaan, CT, Noroton, CT, Darien Downtown, CT.
Frequently asked
- When does it freeze in Stamford?
- Stamford's last spring frost lands near April 17, and in Stamford the first fall frost follows around October 23.
- What is the rainy season in Stamford?
- Rainfall in Stamford peaks in September near 5.2 inches, out of about 52 inches annually.
- What is the warmest month in Stamford?
- On average July tops the year in Stamford at about 75°F.
- What is the coldest month in Stamford?
- The coldest stretch in Stamford falls in January, around 30°F on average.
- When can I start a vegetable garden in Stamford?
- Around April 17, start frost-hardy crops in Stamford; tomatoes and basil belong a fortnight later.
- How many rainy days does Stamford get?
- Stamford records around 124 days of measurable precipitation annually.
- What hardiness zone is Stamford?
- With January around 30°F, Stamford's zone reflects that minimum — the USDA ZIP map confirms Stamford's band.
- What is the 10-day forecast for Stamford?
- Stamford's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Stamford?
- See this week's day-by-day rain chances for Stamford in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Stamford?
- Current conditions for Stamford and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Stamford forecast updated?
- The Stamford forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Stamford?
- Today's sunrise and sunset times for Stamford are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Stamford?
- The next few days in Stamford's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Stamford sits at 41.1°N; its climate zone is warm-summer humid continental (Köppen approximation).
ZIP codes in Stamford
- 06901
- 06902
- 06903
- 06904
- 06905
- 06906
- 06907
- 06910
- 06911
- 06912
- 06913
- 06914
- 06926
- 06927