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Forecast confidence: High · models disagree by 3°F

Hamden weather

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Cloudy,cooler tomorrow

NWS, the American and the European model agree on a high near 79° in Hamden today. Tomorrow looks cloudy around 68°, with a 0% chance of rain.

79°64°
68°54°
65°55°
66°54°
60°50°
64°50°
Todaymodels agreeTomorrowmodels agreeSundaysplit ±6°Mondaymodels agreeTuesdaysplit ±5°Wednesdaymodels agree
NWSNational Blend (NBM)
79°
Cloudy
Today 79°·Low 63°·Rain 9%
AmericanNOAA GFS
81°
Drizzle
Today 81°·Low 65°·Rain 9%
EuropeanECMWF
78°
Cloudy
Today 78°·Low 65°·Rain 47%
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Hamden weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Hamden weather in numbers

from 30 years of measured normals

Hamden swings 57°F across the year, from 83°F highs in July to 26°F lows in February, and March is usually the wettest month in a year that brings about 57 in of precipitation.

Warmest month
July
83°F average high
Coldest month
February
26°F average low
Wettest month
March
57 in a year
Below freezing
3 months
January, February and December
Comfortable
4 months
April, May, June and September
Residents
60,000
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The weather map: all three models at once

NWS, American, European side by side around Hamden and nearby towns.Live rain radar →
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Hamden hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Hamden 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Cloudy
79° 64°
models agree
Tomorrow
Cloudy
68° 54°
models agree
Sun
Rain
65° 55°
±6°
Mon
Heavy drizzle
66° 54°
models agree
Tue
Cloudy
60° 50°
±5°
Wed
Cloudy
64° 50°
models agree
Thu
Light rain
62° 49°
±9°
Fri
Drizzle
61° 50°
±8°
Sat
Light drizzle
65° 52°
±13°
Sun
Drizzle
68° 51°
±12°
Mon
Partly cloudy
69° 53°
±8°
Tue
Light drizzle
68° 53°
±7°
Wed
Showers
74° 56°
models agree
Thu
Light rain
67° 52°
±6°

Hamden, Connecticut (CT) is at its warmest in Jul (average highs near 83°F) and coldest in Feb (lows around 26°F), with roughly 57 in of precipitation across the year. Below, compare what NWS, American, European forecast for Hamden right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Hamden climate by month

average daytime high and overnight low across a typical year
Jan
42°
29°
Feb
43°
26°
Mar
50°
33°
Apr
60°
41°
May
69°
50°
Jun
78°
59°
Jul
83°
67°
Aug
80°
63°
Sep
74°
57°
Oct
66°
48°
Nov
53°
36°
Dec
44°
30°

Which forecast is most accurate in Hamden?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
84
/100rank #1
92±0.8°F98±0.7 mph6581% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
67
/100rank #2
87±1.3°F94±1.7 mph2458% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
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AmericanNOAA GFS
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EuropeanECMWF
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±3°78° to 81°±38%9% to 47% chance
Tomorrowmodels agree67° to 68°models agree0% to 0% chance
Sun±6°63° to 68°±7%90% to 97% chance
Mon±1°65° to 66°±12%68% to 80% chance
Tue±5°57° to 62°±1%4% to 5% chance

The models often agree on temperature and still split on rain, and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Hamden

today, local time
Sunrise
06:35
Sunset
18:55
Daylight
12h 20m

Common questions

What's the weather in Hamden today?
On this page we show what NWS, American, European each forecast for Hamden today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Hamden today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Hamden and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Hamden?
Over the last 30 days, the European model has been the most accurate for Hamden (CheckWeather Score 84/100), ahead of the American at 67. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Hamden?
July is typically the warmest month in Hamden, with average highs around 83°F.
How cold does Hamden get?
The coldest month in Hamden is February, when overnight lows average about 26°F.
How much rain does Hamden get?
Hamden sees roughly 57 in of precipitation a year, with March usually the wettest month.

Nearby

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