Grand County, CO Weather Forecast

County weather hub

46°

Mostly Clear

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Tuesday, July 14, 2026

Wind: 6 to 14 mph E

Tonight

Mostly clear. Low around 46, with temperatures rising to around 49 overnight. East wind 6 to 14 mph, with gusts as high as 24 mph.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Grand County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 0 of 0 mapped cities in Grand County.

Page Snapshot

Page focus: county weather
Forecast window: Jul 14 to Jul 21, 2026
Latest sync: Jul 15, 2026 12:46 AM MDT
Forecast office: BOU
Source: NOAA / NWS

Next High

83°F

Wednesday

Next Low

46°F

Tonight

Rain Outlook

Periods mentioning precipitation

Windiest

3 to 15 mph

Friday Night

Daily Outlook

Today

Jul 14

Mostly Clear

46 °F

/ 46°F

Wind 6 to 14 mph

Wed

Jul 15

Sunny then Slight Chance Showers And Thunderstorms

83 °F

/ 45°F

Wind 2 to 13 mph

Thu

Jul 16

Sunny then Slight Chance Showers And Thunderstorms

80 °F

/ 44°F

Wind 1 to 13 mph

Fri

Jul 17

Sunny then Slight Chance Showers And Thunderstorms

79 °F

/ 45°F

Wind 5 to 12 mph

Sat

Jul 18

Sunny then Slight Chance Showers And Thunderstorms

80 °F

/ 45°F

Wind 0 to 7 mph

Sun

Jul 19

Mostly Sunny then Chance Showers And Thunderstorms

79 °F

/ 46°F

Wind 1 to 9 mph

Mon

Jul 20

Partly Sunny then Showers And Thunderstorms Likely

75 °F

/ 46°F

Wind 1 to 8 mph

This Week in Grand County

Wednesday looks like the warmest upcoming period in Grand County at 83 degrees F.

Thursday Night is the coolest period ahead with temperatures near 44 degrees F.

The strongest winds are forecast for Friday Night at about 3 to 15 mph ESE.

Precipitation is mentioned in 9 upcoming forecast periods.

Forecast Details

Last updated: Jul 15, 2026 12:46 AM MDT
Coverage: 7 days
Time zone: America/Denver
Forecast office: BOU
Radar station: KFTG

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

Open NOAA source

Extended Forecast

Wednesday

Jul 15

83°F

Sunny then Slight Chance Showers And Thunderstorms

2 to 13 mph ESE

A slight chance of showers and thunderstorms after 2pm. Sunny. High near 83, with temperatures falling to around 77 in the afternoon. East southeast wind 2 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Wednesday Night

Jul 15

45°F

Mostly Clear

5 to 14 mph E

Mostly clear. Low around 45, with temperatures rising to around 47 overnight. East wind 5 to 14 mph, with gusts as high as 23 mph.

Thursday

Jul 16

80°F

Sunny then Slight Chance Showers And Thunderstorms

1 to 13 mph ESE

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 80. East southeast wind 1 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Thursday Night

Jul 16

44°F

Mostly Clear

6 to 13 mph ESE

Mostly clear, with a low around 44. East southeast wind 6 to 13 mph, with gusts as high as 24 mph.

Friday

Jul 17

79°F

Sunny then Slight Chance Showers And Thunderstorms

5 to 12 mph ESE

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 79. Chance of precipitation is 20%.

Friday Night

Jul 17

45°F

Partly Cloudy

3 to 15 mph ESE

Partly cloudy, with a low around 45.

Saturday

Jul 18

80°F

Sunny then Slight Chance Showers And Thunderstorms

0 to 7 mph NNE

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 80.

Saturday Night

Jul 18

45°F

Partly Cloudy

2 to 15 mph E

Partly cloudy, with a low around 45.

Sunday

Jul 19

79°F

Mostly Sunny then Chance Showers And Thunderstorms

1 to 9 mph WNW

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.

Sunday Night

Jul 19

46°F

Chance Showers And Thunderstorms then Mostly Cloudy

3 to 9 mph E

A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 46.

Monday

Jul 20

75°F

Partly Sunny then Showers And Thunderstorms Likely

1 to 8 mph ENE

Showers and thunderstorms likely after noon. Partly sunny, with a high near 75.

Monday Night

Jul 20

46°F

Showers And Thunderstorms Likely

2 to 8 mph ESE

Showers and thunderstorms likely. Mostly cloudy, with a low around 46.

Tuesday

Jul 21

71°F

Showers And Thunderstorms

1 to 8 mph ENE

A slight chance of rain showers before noon, then showers and thunderstorms. Partly sunny, with a high near 71.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Tonight Jul 14	Mostly Clear	46°F	6 to 14 mph E	Mostly clear. Low around 46, with temperatures rising to around 49 overnight. East wind 6 to 14 mph, with gusts as high...
Wednesday Jul 15	Sunny then Slight Chance Showers And Thunderstorms	83°F	2 to 13 mph ESE	A slight chance of showers and thunderstorms after 2pm. Sunny. High near 83, with temperatures falling to around 77 in t...
Wednesday Night Jul 15	Mostly Clear	45°F	5 to 14 mph E	Mostly clear. Low around 45, with temperatures rising to around 47 overnight. East wind 5 to 14 mph, with gusts as high...
Thursday Jul 16	Sunny then Slight Chance Showers And Thunderstorms	80°F	1 to 13 mph ESE	A slight chance of showers and thunderstorms after noon. Sunny, with a high near 80. East southeast wind 1 to 13 mph, wi...
Thursday Night Jul 16	Mostly Clear	44°F	6 to 13 mph ESE	Mostly clear, with a low around 44. East southeast wind 6 to 13 mph, with gusts as high as 24 mph.
Friday Jul 17	Sunny then Slight Chance Showers And Thunderstorms	79°F	5 to 12 mph ESE	A slight chance of showers and thunderstorms after noon. Sunny, with a high near 79. Chance of precipitation is 20%.
Friday Night Jul 17	Partly Cloudy	45°F	3 to 15 mph ESE	Partly cloudy, with a low around 45.
Saturday Jul 18	Sunny then Slight Chance Showers And Thunderstorms	80°F	0 to 7 mph NNE	A slight chance of showers and thunderstorms after noon. Sunny, with a high near 80.
Saturday Night Jul 18	Partly Cloudy	45°F	2 to 15 mph E	Partly cloudy, with a low around 45.
Sunday Jul 19	Mostly Sunny then Chance Showers And Thunderstorms	79°F	1 to 9 mph WNW	A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Sunday Night Jul 19	Chance Showers And Thunderstorms then Mostly Cloudy	46°F	3 to 9 mph E	A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 46.
Monday Jul 20	Partly Sunny then Showers And Thunderstorms Likely	75°F	1 to 8 mph ENE	Showers and thunderstorms likely after noon. Partly sunny, with a high near 75.
Monday Night Jul 20	Showers And Thunderstorms Likely	46°F	2 to 8 mph ESE	Showers and thunderstorms likely. Mostly cloudy, with a low around 46.
Tuesday Jul 21	Showers And Thunderstorms	71°F	1 to 8 mph ENE	A slight chance of rain showers before noon, then showers and thunderstorms. Partly sunny, with a high near 71.

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