Clarkson, ID Weather Forecast

Local 7-day forecast

82°
F

Mostly Sunny

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

Wednesday, September 16, 2026
Wind: 6 to 9 mph S
This Afternoon

Mostly sunny, with a high near 82. South wind 6 to 9 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Clarkson, ID 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: Sep 16, 2026 3:35 PM MDT.

The active forecast window currently covers Sep 16 to Sep 22, 2026 for Clarkson, ID.

Page Snapshot

Page focus
city weather
Forecast window
Sep 16 to Sep 22, 2026
Latest sync
Sep 16, 2026 3:35 PM MDT
Forecast office
PIH
Source
NOAA / NWS
Next High
82°F
This Afternoon
Next Low
50°F
Tonight
Rain Outlook
5
Periods mentioning precipitation
Windiest
8 to 13 mph
Thursday

Daily Outlook

Today
Sep 16
Mostly Sunny
82 °F
/ 50°F
Wind 6 to 9 mph
Thu
Sep 17
Showers And Thunderstorms Likely
80 °F
/ 47°F
Wind 8 to 13 mph
Fri
Sep 18
Chance Rain Showers
73 °F
/ 39°F
Wind 6 to 12 mph
Sat
Sep 19
Mostly Sunny
71 °F
/ 39°F
Wind 6 mph
Sun
Sep 20
Sunny
74 °F
/ 40°F
Wind 3 mph
Mon
Sep 21
Sunny
76 °F
/ 41°F
Wind 6 mph
Tue
Sep 22
Sunny
78 °F
/ 40°F
Wind 6 mph

This Week in Clarkson

This Afternoon looks like the warmest upcoming period in Clarkson at 82 degrees F.

Friday Night is the coolest period ahead with temperatures near 39 degrees F.

The strongest winds are forecast for Thursday at about 8 to 13 mph ESE.

Precipitation is mentioned in 5 upcoming forecast periods.

Forecast Details

Last updated
Sep 16, 2026 3:35 PM MDT
Coverage
8 days
Time zone
America/Boise
Forecast office
PIH
Radar station
KSFX

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

Open NOAA source

Extended Forecast

Tonight
Sep 16
50°F
Partly Cloudy then Isolated Rain Showers
6 to 9 mph ENE

Isolated rain showers after 1am. Partly cloudy. Low around 50, with temperatures rising to around 53 overnight. East northeast wind 6 to 9 mph. Chance of precipitation is 20%.

Thursday
Sep 17
80°F
Showers And Thunderstorms Likely
8 to 13 mph ESE

A chance of rain showers before 9am, then showers and thunderstorms likely between 9am and 3pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 80. East southeast wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

Thursday Night
Sep 17
47°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
6 to 10 mph ENE

A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 47. East northeast wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

Friday
Sep 18
73°F
Chance Rain Showers
6 to 12 mph S

A chance of rain showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 73. South wind 6 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Friday Night
Sep 18
39°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
6 to 12 mph WSW

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 39. Chance of precipitation is 20%.

Saturday
Sep 19
71°F
Mostly Sunny
6 mph WSW

Mostly sunny, with a high near 71.

Saturday Night
Sep 19
39°F
Partly Cloudy
6 mph SSW

Partly cloudy, with a low around 39.

Sunday
Sep 20
74°F
Sunny
3 mph NNW

Sunny, with a high near 74.

Sunday Night
Sep 20
40°F
Mostly Clear
5 mph E

Mostly clear, with a low around 40.

Monday
Sep 21
76°F
Sunny
6 mph NW

Sunny, with a high near 76.

Monday Night
Sep 21
41°F
Mostly Clear
5 mph SW

Mostly clear, with a low around 41.

Tuesday
Sep 22
78°F
Sunny
6 mph WSW

Sunny, with a high near 78.

Tuesday Night
Sep 22
40°F
Mostly Clear
5 mph SW

Mostly clear, with a low around 40.

Detailed Forecast

Period Conditions Temp Wind
This Afternoon
Sep 16
Mostly Sunny
82°F
6 to 9 mph
S
Tonight
Sep 16
Partly Cloudy then Isolated Rain Showers
50°F
6 to 9 mph
ENE
Thursday
Sep 17
Showers And Thunderstorms Likely
80°F
8 to 13 mph
ESE
Thursday Night
Sep 17
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
47°F
6 to 10 mph
ENE
Friday
Sep 18
Chance Rain Showers
73°F
6 to 12 mph
S
Friday Night
Sep 18
Slight Chance Showers And Thunderstorms then Partly Cloudy
39°F
6 to 12 mph
WSW
Saturday
Sep 19
Mostly Sunny
71°F
6 mph
WSW
Saturday Night
Sep 19
Partly Cloudy
39°F
6 mph
SSW
Sunday
Sep 20
Sunny
74°F
3 mph
NNW
Sunday Night
Sep 20
Mostly Clear
40°F
5 mph
E
Monday
Sep 21
Sunny
76°F
6 mph
NW
Monday Night
Sep 21
Mostly Clear
41°F
5 mph
SW
Tuesday
Sep 22
Sunny
78°F
6 mph
WSW
Tuesday Night
Sep 22
Mostly Clear
40°F
5 mph
SW
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.