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Seguin weather

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NWSNational Blend (NBM)
62°
Mainly clear
Feels 65° · Wind 5 mph · Humidity 100%
AmericanNOAA GFS
60°
Mainly clear
Feels 60° · Wind 5 mph · Humidity 94%
EuropeanECMWF
67°
Overcast
Feels 68° · Wind 6 mph · Humidity 87%

Latest for Seguin: NWS (National Blend (NBM)): 62° Mainly clear · American (NOAA GFS): 60° Mainly clear · European (ECMWF): 67° Overcast.

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Seguin weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Seguin…

Seguin weather in numbers

measured normals and 10 years of recorded weather

Seguin swings 53°F across the year, from 96°F highs in August to 43°F lows in January, and October is usually the wettest month in a year that brings about 32 in of precipitation. Over 10 years of recorded weather it averages 236 days a year at 77°F or above, 148 of them at 86°F or above, 7 frost nights, and rain on 116 days.

Warmest month
August
96°F average high
Coldest month
January
43°F average low
Wettest month
October
32 in a year
Comfortable
4 months
January, February, March and April
Residents
28,000
share this forecast
Most accurate here
European
96/100 CheckWeather Score
Warm days
236 days
a year at 77°F or above
Frost nights
7 nights
a year below 32°F
Rain days
116 days
a year with 0.04 in or more

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

where the models agree, and where they split

Seguin, Texas (TX) is at its warmest in Aug (average highs near 96°F) and coldest in Jan (lows around 43°F), with roughly 32 in of precipitation across the year. Below, compare what NWS, American, European forecast for Seguin 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.

Seguin climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
62°
43°
Feb
67°
48°
Mar
72°
53°
Apr
78°
60°
May
84°
67°
Jun
91°
72°
Jul
93°
73°
Aug
96°
74°
Sep
89°
69°
Oct
81°
60°
Nov
70°
52°
Dec
64°
44°

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

How the weather around Seguin has changed since 1995

Seguin sits in the same roughly 50 km square of NASA's reanalysis as New Braunfels. That square ran 1.2°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the New Braunfels page.

Which forecast is most accurate in Seguin?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
96
/100rank #1
96±0.4°F97±1.1 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
68
/100rank #2
73±2.7°F95±1.6 mph4268% 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 Seguin today?
On this page we show what NWS, American, European each forecast for Seguin 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 Seguin today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Seguin 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 Seguin?
Over the last 30 days, the European model has been the most accurate for Seguin (CheckWeather Score 96/100), ahead of the American at 68. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Seguin?
August is typically the warmest month in Seguin, with average highs around 96°F.
How cold does Seguin get?
The coldest month in Seguin is January, when overnight lows average about 43°F.
How much rain does Seguin get?
Seguin sees roughly 32 in of precipitation a year, with October usually the wettest month.

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