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Castleton IN Weather - Mostly Clear - 94°F
Mostly Clear
94°F
Updated 1:24 pm
Feels Like 109°F
Humidity 54%
Wind W 9 mph
Barometer  30.01 in
Dew Point 75°F
Castleton IN Weather - Mostly Clear - 34°C
Mostly Clear
34°C
Updated 1:24 pm
Feels Like 43°C
Humidity 54%
Wind W 14 km/h
Barometer  101.6 kPa
Dew Point 24°C
Castleton, IN Weather and Current Conditionscastleton in weather forecast

Castleton, IN Weather Forecast

Castleton Indiana WeatherCastleton, Indiana Weather Weather Forecast
14 Day API Castleton, IN Weather Forecast. Note: Our 7 day Castleton, Indiana weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Castleton, IN Weather Forecast Dated: 124 PM Fri Sep 04 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.

Friday, September 4, 2026

Mid-Morning
Castleton Weather - 2026-09-04 - Morning - Sunny
79°F 26°C
Sunny
Mid-Afternoon
Castleton Weather - 2026-09-04 - Afternoon - Sunny
96°F 36°C
Sunny
Early-Evening
Castleton Weather - 2026-09-04 - Evening - Scattered Showers
87°F 31°C
Scattered Showers
Sizzling hot near 96°F 36°C with a heat index reaching 103°F 39°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds out of the WNW at 9 mph 15 km/h.

Saturday, September 5, 2026

Mid-Morning
Castleton Weather - 2026-09-05 - Morning - Overcast
76°F 24°C
Overcast
Mid-Afternoon
Castleton Weather - 2026-09-05 - Afternoon - Sunny
85°F 29°C
Sunny
Early-Evening
Castleton Weather - 2026-09-05 - Evening - Scattered Showers
77°F 25°C
Scattered Showers
Quite warm reaching 85°F 29°C, feeling like 92°F 33°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the W to the NE at 11 mph 17 km/h.

Sunday, September 6, 2026

Mid-Morning
Castleton Weather - 2026-09-06 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Castleton Weather - 2026-09-06 - Afternoon - Sunny
74°F 24°C
Sunny
Early-Evening
Castleton Weather - 2026-09-06 - Evening - Sunny
70°F 21°C
Sunny
Enjoyable around 74°F 24°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds moving from the NE to the ENE at 9 mph 13 km/h.

Monday, September 7, 2026

Mid-Morning
Castleton Weather - 2026-09-07 - Morning - Sunny
58°F 15°C
Sunny
Mid-Afternoon
Castleton Weather - 2026-09-07 - Afternoon - Cloudy
75°F 24°C
Cloudy
Early-Evening
Castleton Weather - 2026-09-07 - Evening - Overcast
72°F 22°C
Overcast
Mild temperatures up to 75°F 24°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds out of the ENE at 9 mph 14 km/h.

Tuesday, September 8, 2026

Mid-Morning
Castleton Weather - 2026-09-08 - Morning - Cloudy
66°F 19°C
Cloudy
Mid-Afternoon
Castleton Weather - 2026-09-08 - Afternoon - Sunny
85°F 30°C
Sunny
Early-Evening
Castleton Weather - 2026-09-08 - Evening - Sunny
83°F 29°C
Sunny
Very warm with a high of 85°F 30°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds shifting from the SE to the S at 8 mph 12 km/h.

Wednesday, September 9, 2026

Mid-Morning
Castleton Weather - 2026-09-09 - Morning - Cloudy
78°F 25°C
Cloudy
Mid-Afternoon
Castleton Weather - 2026-09-09 - Afternoon - Sunny
87°F 30°C
Sunny
Early-Evening
Castleton Weather - 2026-09-09 - Evening - Partly Cloudy
81°F 27°C
Partly Cloudy
Very warm near 87°F 30°C, though humidity makes it feel like 91°F 33°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds turning from the SSW to the NW at 11 mph 18 km/h. Gusts up to 24 mph 38 km/h.

Thursday, September 10, 2026

Mid-Morning
Castleton Weather - 2026-09-10 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Castleton Weather - 2026-09-10 - Afternoon - Overcast
71°F 22°C
Overcast
Early-Evening
Castleton Weather - 2026-09-10 - Evening - Overcast
68°F 20°C
Overcast
Comfortable with temperatures reaching 71°F 22°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the WSW to the NNE at 8 mph 13 km/h.

Friday, September 11, 2026

Mid-Morning
Castleton Weather - 2026-09-11 - Morning - Overcast
60°F 16°C
Overcast
Mid-Afternoon
Castleton Weather - 2026-09-11 - Afternoon - Overcast
61°F 16°C
Overcast
Early-Evening
Castleton Weather - 2026-09-11 - Evening - Light Showers
58°F 15°C
Light Showers
Cool with a high near 61°F 16°C, mainly dry until evening showers arrive, with increasing humidity and steady pressure.

Saturday, September 12, 2026

Mid-Morning
Castleton Weather - 2026-09-12 - Morning - Overcast
58°F 15°C
Overcast
Mid-Afternoon
Castleton Weather - 2026-09-12 - Afternoon - Overcast
64°F 18°C
Overcast
Early-Evening
Castleton Weather - 2026-09-12 - Evening - Sunny
64°F 18°C
Sunny
Refreshing around 64°F 18°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds moving from the E to the SE at 7 mph 11 km/h.

Sunday, September 13, 2026

Mid-Morning
Castleton Weather - 2026-09-13 - Morning - Partly Cloudy
66°F 19°C
Partly Cloudy
Mid-Afternoon
Castleton Weather - 2026-09-13 - Afternoon - Scattered Showers
78°F 26°C
Scattered Showers
Early-Evening
Castleton Weather - 2026-09-13 - Evening - Scattered Showers
72°F 22°C
Scattered Showers
Mild with a high of 78°F 26°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the S to the N at 9 mph 15 km/h.

Monday, September 14, 2026

Mid-Morning
Castleton Weather - 2026-09-14 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
Castleton Weather - 2026-09-14 - Afternoon - Sunny
63°F 17°C
Sunny
Early-Evening
Castleton Weather - 2026-09-14 - Evening - Sunny
60°F 15°C
Sunny
Comfortable at 63°F 17°C, sunny throughout the day, with lower humidity and steady pressure. Winds shifting from the NNE to the NE at 7 mph 11 km/h.

Tuesday, September 15, 2026

Mid-Morning
Castleton Weather - 2026-09-15 - Morning - Sunny
52°F 11°C
Sunny
Mid-Afternoon
Castleton Weather - 2026-09-15 - Afternoon - Partly Cloudy
66°F 19°C
Partly Cloudy
Early-Evening
Castleton Weather - 2026-09-15 - Evening - Overcast
65°F 18°C
Overcast
Cool with a high near 66°F 19°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds turning from the ESE to the SE at 9 mph 14 km/h.

Wednesday, September 16, 2026

Mid-Morning
Castleton Weather - 2026-09-16 - Morning - Scattered Showers
69°F 20°C
Scattered Showers
Mid-Afternoon
Castleton Weather - 2026-09-16 - Afternoon - Sunny
92°F 33°C
Sunny
Early-Evening
Castleton Weather - 2026-09-16 - Evening - Sunny
86°F 30°C
Sunny
Sizzling hot near 92°F 33°C with a heat index reaching 96°F 36°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure rising. Winds switching from the S to the ESE at 8 mph 12 km/h.

Thursday, September 17, 2026

Mid-Morning
Castleton Weather - 2026-09-17 - Morning - Overcast
80°F 26°C
Overcast
Mid-Afternoon
Castleton Weather - 2026-09-17 - Afternoon - Sunny
92°F 33°C
Sunny
Early-Evening
Castleton Weather - 2026-09-17 - Evening - Scattered Showers
84°F 29°C
Scattered Showers
Hot and sweltering around 92°F 33°C (heat index 96°F 35°C), scattered downpours possible, with steady humidity and steady pressure. Winds out of the WSW at 7 mph 12 km/h.

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Weather by the Numbers

Fri, 4th
Castleton IN Weather - Friday, Sep 4, 2026 - Sunny
Hi: 99°F 37°C
Lo: 74°F 23°C
Sunrise 07:15 AM
Sunset 08:10 PM
Wind W 8 mph13 km/h
Dew Point 72°F22°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 44%
Sat, 5th
Castleton IN Weather - Saturday, Sep 5, 2026 - Thundery Outbreaks In Nearby
Hi: 86°F 30°C
Lo: 71°F 22°C
Sunrise 07:16 AM
Sunset 08:09 PM
Wind NNW 8 mph13 km/h
Dew Point 71°F22°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 19% *
Humidity 73%
Sun, 6th
Castleton IN Weather - Sunday, Sep 6, 2026 - Sunny
Hi: 74°F 24°C
Lo: 61°F 16°C
Sunrise 07:17 AM
Sunset 08:07 PM
Wind ENE 11 mph18 km/h
Dew Point 58°F14°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 4% *
Humidity 64%
Mon, 7th
Castleton IN Weather - Monday, Sep 7, 2026 - Sunny
Hi: 76°F 24°C
Lo: 57°F 14°C
Sunrise 07:18 AM
Sunset 08:06 PM
Wind E 7 mph12 km/h
Dew Point 57°F14°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 5% *
Humidity 66%
Tue, 8th
Castleton IN Weather - Tuesday, Sep 8, 2026 - Sunny
Hi: 87°F 31°C
Lo: 63°F 17°C
Sunrise 07:19 AM
Sunset 08:04 PM
Wind SSW 9 mph15 km/h
Dew Point 66°F19°C
uv Index 7
Barometric Pressure 30.12 in1020 mb
POP 4% *
Humidity 63%
Wed, 9th
Castleton IN Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 87°F 31°C
Lo: 72°F 22°C
Sunrise 07:20 AM
Sunset 08:02 PM
Wind SW 16 mph26 km/h
Dew Point 67°F19°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 6% *
Humidity 60%
Thu, 10th
Castleton IN Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 71°F 22°C
Lo: 61°F 16°C
Sunrise 07:21 AM
Sunset 08:01 PM
Wind ESE 9 mph14 km/h
Dew Point 57°F14°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 9% *
Humidity 67%
Fri, 11th
Castleton IN Weather - Friday, Sep 11, 2026 - Patchy Rain Nearby
Hi: 63°F 17°C
Lo: 57°F 14°C
Sunrise 07:22 AM
Sunset 07:59 PM
Wind S 8 mph13 km/h
Dew Point 53°F12°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 19% *
Humidity 72%
Sat, 12th
Castleton IN Weather - Saturday, Sep 12, 2026 - Patchy Rain Nearby
Hi: 65°F 18°C
Lo: 57°F 14°C
Sunrise 07:23 AM
Sunset 07:58 PM
Wind ESE 8 mph13 km/h
Dew Point 57°F14°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 28% *
Humidity 89%
Sun, 13th
Castleton IN Weather - Sunday, Sep 13, 2026 - Patchy Rain Nearby
Hi: 79°F 26°C
Lo: 61°F 16°C
Sunrise 07:23 AM
Sunset 07:56 PM
Wind SW 4 mph7 km/h
Dew Point 65°F18°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 12% *
Humidity 74%
Mon, 14th
Castleton IN Weather - Monday, Sep 14, 2026 - Sunny
Hi: 63°F 17°C
Lo: 47°F 8°C
Sunrise 07:24 AM
Sunset 07:54 PM
Wind NE 12 mph19 km/h
Dew Point 41°F5°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 3% *
Humidity 54%
Tue, 15th
Castleton IN Weather - Tuesday, Sep 15, 2026 - Overcast
Hi: 67°F 19°C
Lo: 48°F 9°C
Sunrise 07:25 AM
Sunset 07:53 PM
Wind SE 8 mph13 km/h
Dew Point 44°F7°C
uv Index 4
Barometric Pressure 30.12 in1020 mb
POP 5% *
Humidity 54%
Wed, 16th
Castleton IN Weather - Wednesday, Sep 16, 2026 - Patchy Rain Nearby
Hi: 93°F 34°C
Lo: 63°F 17°C
Sunrise 07:26 AM
Sunset 07:51 PM
Wind SSW 11 mph18 km/h
Dew Point 68°F20°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 9% *
Humidity 60%
Thu, 17th
Castleton IN Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 92°F 33°C
Lo: 77°F 25°C
Sunrise 07:27 AM
Sunset 07:49 PM
Wind SW 9 mph15 km/h
Dew Point 66°F19°C
uv Index 8
Barometric Pressure 30.12 in1020 mb
POP 7% *
Humidity 51%
* POP = Probability of Precipitation. Data for 12:00 PM.