Skip to main content
One weather site to rule them all
checkweather.io

Derby weather

Loading live data…

Derby weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Derby…

Derby weather in numbers

from 30 years of measured normals

Derby swings 65°F across the year, from 90°F highs in July to 25°F lows in January, and April is usually the wettest month in a year that brings about 30 in of precipitation.

Warmest month
July
90°F average high
Coldest month
January
25°F average low
Wettest month
April
30 in a year
Below freezing
1 month
January
Comfortable
3 months
March, May and October
Residents
24,000
share this forecast

The weather map: all three models at once

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

Derby 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

Loading the three models…

Derby 10-day forecast, out to 14 days

where the models agree, and where they split

Derby, Kansas (KS) is at its warmest in Jul (average highs near 90°F) and coldest in Jan (lows around 25°F), with roughly 30 in of precipitation across the year. Below, compare what NWS, American, European forecast for Derby 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.

Derby climate by month

average daytime high and overnight low across a typical year
Jan
42°
25°
Feb
54°
32°
Mar
60°
39°
Apr
71°
49°
May
78°
58°
Jun
88°
69°
Jul
90°
71°
Aug
90°
72°
Sep
85°
64°
Oct
74°
54°
Nov
57°
40°
Dec
50°
33°

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
89
/100rank #1
88±1.2°F96±1.2 mph8491% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
82±1.8°F93±2.3 mph4972% 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)
Loading ratings…
AmericanNOAA GFS
Loading ratings…
EuropeanECMWF
Loading ratings…

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 Derby today?
On this page we show what NWS, American, European each forecast for Derby 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 Derby today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Derby 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 Derby?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Derby forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Derby?
July is typically the warmest month in Derby, with average highs around 90°F.
How cold does Derby get?
The coldest month in Derby is January, when overnight lows average about 25°F.
How much rain does Derby get?
Derby sees roughly 30 in of precipitation a year, with April usually the wettest month.

Nearby

More US weather