Cheyenne, WY Weather Forecast

Local 7-day forecast

88°

Mostly Sunny then Slight Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Cheyenne, WY in one place.

Saturday, August 29, 2026

Wind: 5 to 15 mph WSW

Saturday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. West southwest wind 5 to 15 mph. Chance of precipitation is 20%.

Local 7-day forecast

Local Weather Overview

This forecast page for Cheyenne, WY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 27, 2026 4:59 PM MDT.

The active forecast window currently covers Aug 29 to Sep 2, 2026 for Cheyenne, WY.

Page Snapshot

Page focus: city weather
Forecast window: Aug 29 to Sep 2, 2026
Latest sync: Aug 27, 2026 4:59 PM MDT
Forecast office: CYS
Source: NOAA / NWS

Next High

88°F

Saturday

Next Low

58°F

Saturday Night

Rain Outlook

Periods mentioning precipitation

Windiest

5 to 15 mph

Saturday

Daily Outlook

Today

Aug 29

Mostly Sunny then Slight Chance Showers And Thunderstorms

88 °F

/ 58°F

Wind 5 to 15 mph

Sun

Aug 30

Partly Sunny then Chance Showers And Thunderstorms

82 °F

/ 55°F

Wind 5 to 15 mph

Mon

Aug 31

Partly Sunny then Chance Showers And Thunderstorms

80 °F

/ 53°F

Wind 5 to 10 mph

Tue

Sep 1

Mostly Sunny

82 °F

/ 55°F

Wind 5 to 10 mph

Wed

Sep 2

Mostly Sunny

83 °F

/ 55°F

Wind 5 to 10 mph

This Week in Cheyenne

Saturday looks like the warmest upcoming period in Cheyenne at 88 degrees F.

Monday Night is the coolest period ahead with temperatures near 53 degrees F.

The strongest winds are forecast for Saturday at about 5 to 15 mph WSW.

Precipitation is mentioned in 6 upcoming forecast periods.

Forecast Details

Last updated: Aug 27, 2026 4:59 PM MDT
Coverage: 6 days
Time zone: America/Denver
Forecast office: CYS
Radar station: KCYS

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Saturday Night

Aug 29

58°F

Chance Showers And Thunderstorms then Mostly Cloudy

5 to 15 mph W

A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

Sunday

Aug 30

82°F

Partly Sunny then Chance Showers And Thunderstorms

5 to 15 mph WSW

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 82.

Sunday Night

Aug 30

55°F

Slight Chance Showers And Thunderstorms then Mostly Cloudy

5 to 10 mph W

A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55.

Monday

Aug 31

80°F

Partly Sunny then Chance Showers And Thunderstorms

5 to 10 mph WSW

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 80.

Monday Night

Aug 31

53°F

Chance Showers And Thunderstorms then Mostly Cloudy

5 to 10 mph WSW

A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53.

Tuesday

Sep 1

82°F

Mostly Sunny

5 to 10 mph SW

Mostly sunny, with a high near 82.

Tuesday Night

Sep 1

55°F

Partly Cloudy

5 to 10 mph WSW

Partly cloudy, with a low around 55.

Wednesday

Sep 2

83°F

Mostly Sunny

5 to 10 mph WSW

Mostly sunny, with a high near 83.

Wednesday Night

Sep 2

55°F

Partly Cloudy

5 to 10 mph W

Partly cloudy, with a low around 55.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Saturday Aug 29	Mostly Sunny then Slight Chance Showers And Thunderstorms	88°F	5 to 15 mph WSW	A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. West southwest wind 5 to 15...
Saturday Night Aug 29	Chance Showers And Thunderstorms then Mostly Cloudy	58°F	5 to 15 mph W	A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58. Chance of precipitation is 4...
Sunday Aug 30	Partly Sunny then Chance Showers And Thunderstorms	82°F	5 to 15 mph WSW	A chance of showers and thunderstorms after noon. Partly sunny, with a high near 82.
Sunday Night Aug 30	Slight Chance Showers And Thunderstorms then Mostly Cloudy	55°F	5 to 10 mph W	A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55.
Monday Aug 31	Partly Sunny then Chance Showers And Thunderstorms	80°F	5 to 10 mph WSW	A chance of showers and thunderstorms after noon. Partly sunny, with a high near 80.
Monday Night Aug 31	Chance Showers And Thunderstorms then Mostly Cloudy	53°F	5 to 10 mph WSW	A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53.
Tuesday Sep 1	Mostly Sunny	82°F	5 to 10 mph SW	Mostly sunny, with a high near 82.
Tuesday Night Sep 1	Partly Cloudy	55°F	5 to 10 mph WSW	Partly cloudy, with a low around 55.
Wednesday Sep 2	Mostly Sunny	83°F	5 to 10 mph WSW	Mostly sunny, with a high near 83.
Wednesday Night Sep 2	Partly Cloudy	55°F	5 to 10 mph W	Partly cloudy, with a low around 55.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Cheyenne.

Region Links

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CheyenneWY downtown image

Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.