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Castleton UT Weather - Clear - 67°F
Clear
67°F
Updated 12:44 am
Feels Like 67°F
Humidity 52%
Wind SE 3 mph
Barometer  30.04 in
Dew Point 49°F
Castleton UT Weather - Clear - 19°C
Clear
19°C
Updated 12:44 am
Feels Like 20°C
Humidity 52%
Wind SE 5 km/h
Barometer  101.7 kPa
Dew Point 9°C
Castleton, UT Weather and Current Conditionscastleton ut weather forecast

Castleton, UT Weather Forecast

Castleton Utah WeatherCastleton, Utah Weather Weather Forecast
14 day API weather forecast for Castleton, Utah. Note: The 7-day weather forecast for Castleton, UT is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Castleton, UT Weather Forecast Dated: 1244 AM Mon Sep 07 2026
Expect a very warm period with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.

Monday, September 7, 2026

Mid-Morning
Castleton Weather - 2026-09-07 - Morning - Overcast
72°F 22°C
Overcast
Mid-Afternoon
Castleton Weather - 2026-09-07 - Afternoon - Overcast
83°F 28°C
Overcast
Early-Evening
Castleton Weather - 2026-09-07 - Evening - Overcast
78°F 25°C
Overcast
Warm and summery near 83°F 28°C, overcast throughout the day, with lower humidity and steady pressure. Winds turning from the S to the SSE at 14 mph 23 km/h.

Tuesday, September 8, 2026

Mid-Morning
Castleton Weather - 2026-09-08 - Morning - Partly Cloudy
75°F 24°C
Partly Cloudy
Mid-Afternoon
Castleton Weather - 2026-09-08 - Afternoon - Overcast
86°F 30°C
Overcast
Early-Evening
Castleton Weather - 2026-09-08 - Evening - Overcast
78°F 26°C
Overcast
Balmy with temperatures reaching 86°F 30°C, partly cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds switching from the SW to the ENE at 8 mph 13 km/h.

Wednesday, September 9, 2026

Mid-Morning
Castleton Weather - 2026-09-09 - Morning - Sunny
73°F 23°C
Sunny
Mid-Afternoon
Castleton Weather - 2026-09-09 - Afternoon - Sunny
87°F 31°C
Sunny
Early-Evening
Castleton Weather - 2026-09-09 - Evening - Partly Cloudy
79°F 26°C
Partly Cloudy
Quite warm around 87°F 31°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds moving from the NNW to the E at 6 mph 9 km/h.

Thursday, September 10, 2026

Mid-Morning
Castleton Weather - 2026-09-10 - Morning - Sunny
77°F 25°C
Sunny
Mid-Afternoon
Castleton Weather - 2026-09-10 - Afternoon - Sunny
89°F 32°C
Sunny
Early-Evening
Castleton Weather - 2026-09-10 - Evening - Sunny
83°F 28°C
Sunny
Warm temperatures up to 89°F 32°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds swinging from the NW to the ESE at 5 mph 8 km/h.

Friday, September 11, 2026

Mid-Morning
Castleton Weather - 2026-09-11 - Morning - Sunny
79°F 26°C
Sunny
Mid-Afternoon
Castleton Weather - 2026-09-11 - Afternoon - Sunny
90°F 32°C
Sunny
Early-Evening
Castleton Weather - 2026-09-11 - Evening - Partly Cloudy
85°F 29°C
Partly Cloudy
Very hot with a high of 90°F 32°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling.

Saturday, September 12, 2026

Mid-Morning
Castleton Weather - 2026-09-12 - Morning - Overcast
80°F 27°C
Overcast
Mid-Afternoon
Castleton Weather - 2026-09-12 - Afternoon - Cloudy
88°F 31°C
Cloudy
Early-Evening
Castleton Weather - 2026-09-12 - Evening - Sunny
84°F 29°C
Sunny
Warm and summery near 88°F 31°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling. Winds building from S at 6 mph 10 km/h to SW at 22 mph 36 km/h. Gusts up to 31 mph 50 km/h.

Sunday, September 13, 2026

Mid-Morning
Castleton Weather - 2026-09-13 - Morning - Scattered Showers
71°F 22°C
Scattered Showers
Mid-Afternoon
Castleton Weather - 2026-09-13 - Afternoon - Sunny
81°F 27°C
Sunny
Early-Evening
Castleton Weather - 2026-09-13 - Evening - Sunny
76°F 25°C
Sunny
Balmy with temperatures reaching 81°F 27°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the W to the ENE at 7 mph 10 km/h.

Monday, September 14, 2026

Mid-Morning
Castleton Weather - 2026-09-14 - Morning - Sunny
71°F 22°C
Sunny
Mid-Afternoon
Castleton Weather - 2026-09-14 - Afternoon - Sunny
85°F 30°C
Sunny
Early-Evening
Castleton Weather - 2026-09-14 - Evening - Sunny
80°F 27°C
Sunny
Quite warm around 85°F 30°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds switching from the NW to the SE at 4 mph 7 km/h.

Tuesday, September 15, 2026

Mid-Morning
Castleton Weather - 2026-09-15 - Morning - Overcast
72°F 22°C
Overcast
Mid-Afternoon
Castleton Weather - 2026-09-15 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Castleton Weather - 2026-09-15 - Evening - Sunny
76°F 24°C
Sunny
Warm temperatures up to 82°F 28°C, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds moving from the SSE to the SW at 8 mph 13 km/h.

Wednesday, September 16, 2026

Mid-Morning
Castleton Weather - 2026-09-16 - Morning - Sunny
69°F 20°C
Sunny
Mid-Afternoon
Castleton Weather - 2026-09-16 - Afternoon - Sunny
83°F 28°C
Sunny
Early-Evening
Castleton Weather - 2026-09-16 - Evening - Scattered Showers
78°F 26°C
Scattered Showers
Very warm with a high of 83°F 28°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure.

Thursday, September 17, 2026

Mid-Morning
Castleton Weather - 2026-09-17 - Morning - Sunny
72°F 22°C
Sunny
Mid-Afternoon
Castleton Weather - 2026-09-17 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Castleton Weather - 2026-09-17 - Evening - Sunny
81°F 27°C
Sunny
Warm and summery near 84°F 29°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the S to the SSE at 5 mph 8 km/h.

Friday, September 18, 2026

Mid-Morning
Castleton Weather - 2026-09-18 - Morning - Sunny
77°F 25°C
Sunny
Mid-Afternoon
Castleton Weather - 2026-09-18 - Afternoon - Overcast
86°F 30°C
Overcast
Early-Evening
Castleton Weather - 2026-09-18 - Evening - Scattered Showers
80°F 27°C
Scattered Showers
Balmy with temperatures reaching 86°F 30°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds picking up from SSE at 9 mph 14 km/h to SSW at 22 mph 35 km/h. Gusts up to 28 mph 45 km/h.

Saturday, September 19, 2026

Mid-Morning
Castleton Weather - 2026-09-19 - Morning - Cloudy
69°F 21°C
Cloudy
Mid-Afternoon
Castleton Weather - 2026-09-19 - Afternoon - Overcast
79°F 26°C
Overcast
Early-Evening
Castleton Weather - 2026-09-19 - Evening - Overcast
72°F 23°C
Overcast
Enjoyable around 79°F 26°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the WSW to the N at 9 mph 14 km/h.

Sunday, September 20, 2026

Mid-Morning
Castleton Weather - 2026-09-20 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Castleton Weather - 2026-09-20 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Castleton Weather - 2026-09-20 - Evening - Sunny
69°F 21°C
Sunny
Mild temperatures up to 73°F 23°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure falling.

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Weather by the Numbers

Mon, 7th
Castleton UT Weather - Monday, Sep 7, 2026 - Overcast
Hi: 83°F 28°C
Lo: 65°F 18°C
Sunrise 06:53 AM
Sunset 07:39 PM
Wind SSW 12 mph19 km/h
Dew Point 47°F8°C
uv Index 7
Barometric Pressure 29.91 in1013 mb
POP 9% *
Humidity 33%
Tue, 8th
Castleton UT Weather - Tuesday, Sep 8, 2026 - Partly Cloudy
Hi: 87°F 30°C
Lo: 67°F 20°C
Sunrise 06:54 AM
Sunset 07:37 PM
Wind WSW 11 mph18 km/h
Dew Point 39°F4°C
uv Index 8
Barometric Pressure 30 in1016 mb
POP 4% *
Humidity 22%
Wed, 9th
Castleton UT Weather - Wednesday, Sep 9, 2026 - Overcast
Hi: 87°F 31°C
Lo: 62°F 17°C
Sunrise 06:54 AM
Sunset 07:36 PM
Wind NW 8 mph12 km/h
Dew Point 30°F-1°C
uv Index 8
Barometric Pressure 30.12 in1020 mb
POP 8% *
Humidity 15%
Thu, 10th
Castleton UT Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 90°F 32°C
Lo: 65°F 18°C
Sunrise 06:55 AM
Sunset 07:34 PM
Wind NW 7 mph11 km/h
Dew Point 24°F-5°C
uv Index 8
Barometric Pressure 30 in1016 mb
POP 0% *
Humidity 11%
Fri, 11th
Castleton UT Weather - Friday, Sep 11, 2026 - Sunny
Hi: 90°F 32°C
Lo: 68°F 20°C
Sunrise 06:56 AM
Sunset 07:33 PM
Wind WNW 6 mph10 km/h
Dew Point 34°F1°C
uv Index 8
Barometric Pressure 29.88 in1012 mb
POP 0% *
Humidity 15%
Sat, 12th
Castleton UT Weather - Saturday, Sep 12, 2026 - Patchy Rain Nearby
Hi: 88°F 31°C
Lo: 71°F 22°C
Sunrise 06:57 AM
Sunset 07:31 PM
Wind SW 21 mph33 km/h
Dew Point 49°F9°C
uv Index 7
Barometric Pressure 29.74 in1007 mb
POP 6% *
Humidity 26%
Sun, 13th
Castleton UT Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 81°F 27°C
Lo: 66°F 19°C
Sunrise 06:58 AM
Sunset 07:29 PM
Wind WNW 8 mph13 km/h
Dew Point 32°F-0°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 0% *
Humidity 20%
Mon, 14th
Castleton UT Weather - Monday, Sep 14, 2026 - Sunny
Hi: 85°F 30°C
Lo: 64°F 18°C
Sunrise 06:59 AM
Sunset 07:28 PM
Wind W 5 mph8 km/h
Dew Point 39°F4°C
uv Index 7
Barometric Pressure 29.91 in1013 mb
POP 0% *
Humidity 23%
Tue, 15th
Castleton UT Weather - Tuesday, Sep 15, 2026 - Patchy Rain Nearby
Hi: 83°F 28°C
Lo: 65°F 18°C
Sunrise 07:00 AM
Sunset 07:26 PM
Wind S 12 mph19 km/h
Dew Point 52°F11°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 17% *
Humidity 41%
Wed, 16th
Castleton UT Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 84°F 29°C
Lo: 65°F 18°C
Sunrise 07:01 AM
Sunset 07:25 PM
Wind NW 5 mph9 km/h
Dew Point 49°F9°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 37%
Thu, 17th
Castleton UT Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 84°F 29°C
Lo: 66°F 19°C
Sunrise 07:02 AM
Sunset 07:23 PM
Wind WSW 5 mph8 km/h
Dew Point 48°F9°C
uv Index 7
Barometric Pressure 30 in1016 mb
POP 1% *
Humidity 34%
Fri, 18th
Castleton UT Weather - Friday, Sep 18, 2026 - Overcast
Hi: 86°F 30°C
Lo: 72°F 22°C
Sunrise 07:02 AM
Sunset 07:21 PM
Wind SW 15 mph24 km/h
Dew Point 48°F9°C
uv Index 6
Barometric Pressure 29.8 in1009 mb
POP 9% *
Humidity 27%
Sat, 19th
Castleton UT Weather - Saturday, Sep 19, 2026 - Overcast
Hi: 79°F 26°C
Lo: 65°F 18°C
Sunrise 07:03 AM
Sunset 07:20 PM
Wind NW 8 mph13 km/h
Dew Point 44°F7°C
uv Index 5
Barometric Pressure 29.85 in1011 mb
POP 10% *
Humidity 32%
Sun, 20th
Castleton UT Weather - Sunday, Sep 20, 2026 - Partly Cloudy
Hi: 73°F 23°C
Lo: 54°F 12°C
Sunrise 07:04 AM
Sunset 07:18 PM
Wind NW 6 mph10 km/h
Dew Point 13°F-11°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 4% *
Humidity 12%
* POP = Probability of Precipitation. Data for 12:00 PM.