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CheckWeather USHartford
Forecast confidence: High · models disagree by 2°F

Hartford weather

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Rain,rain likely tomorrow

NWS, the American and the European model agree on a high near 78° in Hartford today. Tomorrow looks drizzle around 71°, with a 96% chance of rain.

78°62°
71°60°
77°55°
81°58°
76°62°
78°67°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaysplit ±5°Thursdaysplit ±7°
NWSNational Blend (NBM)
77°
Rain
Today 77°·Low 62°·Rain 32%
AmericanNOAA GFS
79°
Cloudy
Today 79°·Low 60°·Rain 32%
EuropeanECMWF
77°
Drizzle
Today 77°·Low 64°·Rain 44%

The weather map: all three models at once

NWS, American, European side by side around Hartford and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Rain
78° 62°
models agree
Tomorrow
Drizzle
71° 60°
models agree
Mon
Mostly clear
77° 55°
models agree
Tue
Cloudy
81° 58°
models agree
Wed
Partly cloudy
76° 62°
±5°
Thu
Light drizzle
78° 67°
±7°
Fri
Cloudy
76° 61°
±10°
Sat
Mostly clear
77° 58°
±10°
Sun
Cloudy
80° 61°
±9°
Mon
Light drizzle
84° 67°
±17°
Tue
Light drizzle
78° 62°
±15°
Wed
Heavy drizzle
76° 57°
±9°
Thu
Cloudy
74° 56°
models agree
Fri
Cloudy
70° 56°
±8°

Hartford, CT is at its warmest in Jul (average highs near 85°F) and coldest in Feb (lows around 26°F), with roughly 51 in of precipitation across the year. Below, compare what NWS, American, European forecast for Hartford 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.

Hartford climate by month

average daytime high and overnight low across a typical year
Jan
42°
28°
Feb
44°
26°
Mar
51°
32°
Apr
62°
40°
May
71°
49°
Jun
80°
59°
Jul
85°
67°
Aug
80°
63°
Sep
75°
57°
Oct
66°
48°
Nov
52°
36°
Dec
44°
29°

Which forecast is most accurate in Hartford?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
96
/100rank #1
96±0.4°F97±1.0 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
67
/100rank #2
78±2.2°F92±2.4 mph3665% 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±2°77° to 79°±12%32% to 44% chance
Tomorrow±1°70° to 71°±77%19% to 96% chance
Mon±2°76° to 78°±1%0% to 1% chance
Tue±4°79° to 83°±13%1% to 14% chance
Wed±5°74° to 79°±7%20% to 27% 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 Hartford

today, local time
Sunrise
06:21
Sunset
19:17
Daylight
12h 56m

Common questions

What's the weather in Hartford today?
On this page we show what NWS, American, European each forecast for Hartford 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 Hartford today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Hartford 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 Hartford?
Over the last 30 days, the European model has been the most accurate for Hartford (CheckWeather Score 96/100), 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 Hartford?
July is typically the warmest month in Hartford, with average highs around 85°F.
How cold does Hartford get?
The coldest month in Hartford is February, when overnight lows average about 26°F.
How much rain does Hartford get?
Hartford sees roughly 51 in of precipitation a year, with July usually the wettest month.

Nearby

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