Cape Girardeau

Platte County, Missouri, United States

Unlock Minute-by-Minute Forecast

See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.

Current Weather

24°

Clear

Feels Like: 24°

Min: 23°

Max: 35°

The next few hours will be clear, with today reaching 35°C and dropping to 23°C. The coming days will be mostly clear throughout the day.

Does this forecast seem accurate?

Unlock Historical Data

Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

23° 25° 27° 30° 32° 33° 34° 35° 35° 35° 35° 33° 31° 29° 28° 27° 26° 25° 25° 25° 24° 24° 23° 23°
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
Today
Tomorrow

Daylight Hours

06:46

Sunrise

18:57

Sunset

12 hours 11 minutes of sunlight today

Moon

Waxing Crescent

12:28

Moonrise

21:15

Moonset

Daily Forecast

Today

23°
35°

Thursday

23°
35°

Friday

23°
34°

Saturday

23°
35°

Sunday

22°
34°

Monday

21°
30°

Tuesday

19°
28°

Wednesday

19°
28°

Thursday

20°
29°

Friday

17°
26°

Air Quality Data Available

Upgrade to access real-time air quality data for Cape Girardeau.

UV Index

No protection needed
0 Low
Low Extreme

Humidity

90% Humid
Low High

Weather in Cape Girardeau today, September 16, 2026

Cape Girardeau starts September 16, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. Morning skies stay relatively clear, holding cloud close to 0% near 07:00. The early part of the day favours being outside.

The day peaks near 35°C and cools toward 23°C. Relative humidity sits between 38% and 94%, reaching its peak around 07:00. A lighter breeze peaks around 16:00 near 4.2 km/h.

Later hours favour clearer intervals, as cloud stays near 4% around 15:00. The afternoon is the better half for outdoor time. Horizontal visibility sits around 15.9 km, briefly nearer 14.3 km. Expect sunrise at 06:46, sunset at 18:57, and 12 hours 11 minutes of sunlight today overall.

Overall, Cape Girardeau on September 16, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 35°C.

Frequently asked questions about weather in Cape Girardeau

How warm does it get in Cape Girardeau?

The warmest month in Cape Girardeau is July, with average high temperatures of 32°C. The average temperature during this period is around 27°C.

How cold does it get in Cape Girardeau?

The coldest month in Cape Girardeau is January, with average low temperatures of -1°C. The average temperature during this period is around 2°C.

What is the wettest time of year in Cape Girardeau?

The wettest month in Cape Girardeau is March, with an average of 151mm of precipitation.

What is the driest time of year in Cape Girardeau?

The driest month in Cape Girardeau is September, with an average of 70mm of precipitation.

View full climate insights for Cape Girardeau →

Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)