Casper, WY weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Casper now
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Casper weather by the hour
Casper weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Casper.
This week in Casper
Sunrise, sunset and moon in Casper
What is the weather usually like in Casper?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 88°F average high
- Januarycoldest month · 16°F average low
- 13.4 inprecipitation per year · 341 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Casper: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station CASPER WWTP, WY US (USC00481569), adjusted for the elevation of Casper.
Casper weather month by month
Sunrise and sunset in Casper through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:31 AM | 4:58 PM | 9 h 26 min |
| February | 7:00 AM | 5:38 PM | 10 h 37 min |
| March | 7:15 AM | 7:13 PM | 11 h 57 min |
| April | 6:21 AM | 7:48 PM | 13 h 27 min |
| May | 5:40 AM | 8:22 PM | 14 h 42 min |
| June | 5:24 AM | 8:47 PM | 15 h 22 min |
| July | 5:39 AM | 8:43 PM | 15 h 4 min |
| August | 6:10 AM | 8:08 PM | 13 h 58 min |
| September | 6:43 AM | 7:16 PM | 12 h 32 min |
| October | 7:17 AM | 6:24 PM | 11 h 6 min |
| November | 6:56 AM | 4:43 PM | 9 h 47 min |
| December | 7:27 AM | 4:33 PM | 9 h 5 min |
Times for the 15th of each month, local time (America/Denver).
What is the weather like in Casper?
Casper has a hot-summer humid continental climate. The warmest month is July, with an average high of 88°F (31°C), and the coldest is January, with average lows of 16°F (-9°C).
It gets about 13.4 inches (341 mm) of precipitation a year. The wettest month is May and the driest is January.
The best time to visit Casper is June to September. At 5,118 ft of elevation, nights are cool even in summer. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Casper
Weather in towns near Casper
Questions about the weather in Casper
What is the hottest month in Casper?
July, with an average high of 88°F (31°C).
What is the coldest month in Casper?
January, with an average low of 16°F (-9°C).
How much does it rain in Casper?
About 13.4 inches (341 mm) a year; the wettest month is May.
Does it snow in Casper?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Casper?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Casper have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Casper in November?
Highs average 47°F and lows 25°F, with about 0.4 inches of precipitation.
What time is sunrise in Casper?
Around 6:56 AM in mid-November, and sunset around 4:43 PM. Today’s exact times are shown above.
Where does this Casper weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Casper.
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