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Sherman weather

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NWSNational Blend (NBM)
63°
Clear
Feels 61° · Wind 5 mph · Humidity 67%
AmericanNOAA GFS
59°
Clear
Feels 56° · Wind 3 mph · Humidity 58%
EuropeanECMWF
60°
Partly cloudy
Feels 58° · Wind 4 mph · Humidity 71%

Latest for Sherman: NWS (National Blend (NBM)): 63° Clear · American (NOAA GFS): 59° Clear · European (ECMWF): 60° Partly cloudy.

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Sherman weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Sherman…

Sherman weather in numbers

measured normals and 10 years of recorded weather

Sherman swings 59°F across the year, from 93°F highs in July to 34°F lows in January, and May is usually the wettest month in a year that brings about 43 in of precipitation. Over 10 years of recorded weather it averages 180 days a year at 77°F or above, 110 of them at 86°F or above, 27 frost nights, and rain on 106 days.

Warmest month
July
93°F average high
Coldest month
January
34°F average low
Wettest month
May
43 in a year
Comfortable
4 months
March, April, October and November
Residents
41,000
share this forecast
Most accurate here
European
88/100 CheckWeather Score
Warm days
180 days
a year at 77°F or above
Frost nights
27 nights
a year below 32°F
Rain days
106 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for Sherman’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 Sherman and nearby towns.Live rain radar →
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Sherman 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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Sherman 10-day forecast, out to 14 days

where the models agree, and where they split

Sherman, Texas (TX) is at its warmest in Jul (average highs near 93°F) and coldest in Jan (lows around 34°F), with roughly 43 in of precipitation across the year. Below, compare what NWS, American, European forecast for Sherman 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.

Sherman climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
52°
34°
Feb
57°
39°
Mar
64°
45°
Apr
72°
54°
May
80°
62°
Jun
88°
70°
Jul
93°
74°
Aug
91°
71°
Sep
85°
65°
Oct
75°
55°
Nov
63°
45°
Dec
54°
37°

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

How the weather around Sherman has changed since 1995

Sherman sits in the same roughly 50 km square of NASA's reanalysis as Celina. That square ran 1.3°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Celina page.

Which forecast is most accurate in Sherman?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
88
/100rank #1
89±1.1°F95±1.4 mph8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
77
/100rank #2
75±2.5°F96±1.3 mph6581% 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.

Common questions

What's the weather in Sherman today?
On this page we show what NWS, American, European each forecast for Sherman 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 Sherman today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Sherman 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 Sherman?
Over the last 30 days, the European model has been the most accurate for Sherman (CheckWeather Score 88/100), ahead of the American at 77. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Sherman?
July is typically the warmest month in Sherman, with average highs around 93°F.
How cold does Sherman get?
The coldest month in Sherman is January, when overnight lows average about 34°F.
How much rain does Sherman get?
Sherman sees roughly 43 in of precipitation a year, with May usually the wettest month.

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