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Forecast confidence: High · models disagree by 1°F

South Suffolk weather

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Cloudy,much the same tomorrow

NWS, the American and the European model agree on a high near 65° in South Suffolk today. Tomorrow: mostly clear, around 67°, with a 7% chance of rain.

65°51°
67°50°
68°46°
69°48°
67°53°
70°53°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaysplit ±8°
NWSNational Blend (NBM)
64°
Partly cloudy
Today 64°·Low 51°·Rain 5%
AmericanNOAA GFS
66°
Cloudy
Today 66°·Low 49°·Rain 5%
EuropeanECMWF
65°
Cloudy
Today 65°·Low 53°·Rain 0%
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South Suffolk weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering South Suffolk…

South Suffolk weather in numbers

measured normals and 10 years of recorded weather

South Suffolk swings 55°F across the year, from 87°F highs in July to 32°F lows in January, and August is usually the wettest month in a year that brings about 51 in of precipitation. Over 10 years of recorded weather it averages 149 days a year at 77°F or above, 66 of them at 86°F or above, 36 frost nights, and rain on 130 days.

Warmest month
July
87°F average high
Coldest month
January
32°F average low
Wettest month
August
51 in a year
Comfortable
4 months
March, April, May and October
Residents
81,000
share this forecast
Most accurate here
European
97/100 CheckWeather Score
Warm days
149 days
a year at 77°F or above
Frost nights
36 nights
a year below 32°F
Rain days
130 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for South Suffolk’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

The weather map: all three models at once

NWS, American, European side by side around South Suffolk and nearby towns.Live rain radar →
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South Suffolk 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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South Suffolk 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Cloudy
65° 51°
models agree
Tomorrow
Mostly clear
67° 50°
models agree
Mon
Clear
68° 46°
models agree
Tue
Clear
69° 48°
models agree
Wed
Cloudy
67° 53°
models agree
Thu
Cloudy
70° 53°
±8°
Fri
Clear
72° 51°
models agree
Sat
Cloudy
70° 53°
models agree
Sun
Cloudy
70° 54°
±11°
Mon
Light drizzle
67° 56°
±19°
Tue
Drizzle
65° 52°
models agree
Wed
Cloudy
62° 48°
±13°
Thu
Cloudy
70° 46°
±5°

South Suffolk, Virginia (VA) is at its warmest in Jul (average highs near 87°F) and coldest in Jan (lows around 32°F), with roughly 51 in of precipitation across the year. Below, compare what NWS, American, European forecast for South Suffolk 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.

South Suffolk climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
50°
32°
Feb
53°
34°
Mar
60°
40°
Apr
70°
50°
May
76°
59°
Jun
83°
64°
Jul
87°
71°
Aug
85°
68°
Sep
79°
64°
Oct
71°
52°
Nov
59°
42°
Dec
53°
36°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around South Suffolk has changed since 1995

South Suffolk sits in the same roughly 50 km square of NASA's reanalysis as Suffolk. That square ran 2.3°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Suffolk page.

Which forecast is most accurate in South Suffolk?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
97
/100rank #1
97±0.3°F99±0.4 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
88
/100rank #2
90±1.0°F95±1.4 mph8290% 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±1°64° to 66°±5%0% to 5% chance
Tomorrow±4°66° to 70°±7%0% to 7% chance
Mon±2°67° to 69°models agree0% to 0% chance
Tue±1°68° to 70°models agree0% to 0% chance
Wed±3°65° to 68°±3%1% to 4% 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 South Suffolk

today, local time
Sunrise
07:22
Sunset
18:18
Daylight
10h 56m

Common questions

What's the weather in South Suffolk today?
Saturday, October 24: NWS, the American and the European model agree on a high near 65° in South Suffolk today. Tomorrow: mostly clear, around 67°, with a 7% chance of rain. The forecast on this page refreshes live.
Will it rain in South Suffolk today or tomorrow?
Rain looks unlikely in South Suffolk on Sunday, October 25: no model gives more than 7% (NWS 7%, American 7%, European 0%). On Saturday, October 24 the highest chance of rain from any model is 5%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for South Suffolk?
Over the last 30 days, the European model has been the most accurate for South Suffolk (CheckWeather Score 97/100), ahead of the American at 88. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in South Suffolk?
July is typically the warmest month in South Suffolk, with average highs around 87°F.
How cold does South Suffolk get?
The coldest month in South Suffolk is January, when overnight lows average about 32°F.
How much rain does South Suffolk get?
South Suffolk sees roughly 51 in of precipitation a year, with August usually the wettest month.

Nearby

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