Castleton, IN Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Castleton, IN.

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Alert Analysis for Castleton, IN →

Current Conditions — Castleton, IN

INDIANAPOLIS EXC (KTYQ)

Cloudy

57.4 F

Humidity:46%

Wind Speed: 10.3 G 21.9 mph

Barometer:29.96 in

Dewpoint:36.5 F

Visibility:10.00 mi

Precip:--

Heat Index:NA

Wind Chill:NA

May 3 2026, 03:35 PM EDT

Observation Analysis for Castleton, IN →

5-Day Forecast — Castleton, IN

Sunday

High 64 °F

Slight Chance of Rain Showers

Sunday
Night

Low 51 °F

Mostly Cloudy

Monday

High 75 °F

Chance of T-storms

Monday
Night

Low 59 °F

Chance of T-storms

Tuesday

High 66 °F

T-storms

Tuesday
Night

Low 44 °F

Rain

Wednesday

High 59 °F

Slight Chance of Rain Showers

Wednesday
Night

Low 44 °F

Chance of Rain

Thursday

High 60 °F

Chance of Showers

Detailed Forecast — Castleton, IN

Sunday

Slight Chance of Rain Showers. High near 64°F. Wind 10 to 15 mph, with gusts as high as 25 mph.

Sunday Night

Mostly Cloudy. Low around 51°F. Wind 8 to 10 mph, with gusts as high as 20 mph.

Monday

Chance of Thunderstorms. High near 75°F. Wind 9 to 15 mph, with gusts as high as 26 mph.

Monday Night

Chance of Thunderstorms. Low around 59°F. Wind 10 to 12 mph, with gusts as high as 22 mph.

Tuesday

Thunderstorms. High near 66°F. Wind 12 to 14 mph, with gusts as high as 23 mph.

Tuesday Night

Rain. Low around 44°F. Wind around 10 mph, with gusts as high as 17 mph.

Wednesday

Slight Chance of Rain Showers. High near 59°F. Wind 5 to 7 mph, with gusts as high as 14 mph.

Wednesday Night

Chance of Rain. Low around 44°F. Wind around 5 mph, with gusts as high as 10 mph.

Thursday

Chance of Showers. High near 60°F. Wind 7 to 10 mph, with gusts as high as 17 mph.

Thursday Night

Slight Chance of Showers. Low around 44°F. Wind around 5 mph, with gusts as high as 10 mph.

Friday

Slight Chance of Rain Showers. High near 64°F. Wind 5 to 10 mph, with gusts as high as 17 mph.

Friday Night

Chance of Rain. Low around 48°F. Wind around 5 mph, with gusts as high as 9 mph.

Saturday

Partly Sunny. High near 66°F. Wind 5 to 8 mph, with gusts as high as 13 mph.

Observation History — Castleton, IN

Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Temperature (F)		Relative Humidity	Wind Chill (F)	Heat Index (F)	Pressure
Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Air	Dwpt	Relative Humidity	Wind Chill (F)	Heat Index (F)	altimeter (in)	sea level (mb)
03:35 PM EDT	10.3 G 21.9	10.00	Cloudy	--	57.4	36.5	46%	NA	NA	29.96	1014.6
03:15 PM EDT	SW 10.3 G 19.7	10.00	Cloudy	--	57.4	36.0	45%	NA	NA	29.99	1015.6
02:55 PM EDT	13.9 G 21.9	10.00	Cloudy	--	56.8	35.1	44%	NA	NA	29.98	1015.2
02:35 PM EDT	SW 16.1	10.00	Cloudy	--	57.4	35.2	43%	NA	NA	29.98	1015.2
02:15 PM EDT	SW 12.8 G 19.7	10.00	Cloudy	--	55.8	35.1	46%	NA	NA	30.00	1015.9
01:55 PM EDT	13.9 G 23.0	10.00	Cloudy	--	55.9	34.9	45%	NA	NA	30.01	1016.3
01:35 PM EDT	SW 18.3 G 24.2	10.00	Cloudy	--	56.5	35.1	44%	NA	NA	30.02	1016.6
01:15 PM EDT	13.9	10.00	Cloudy	--	56.8	34.5	43%	NA	NA	30.02	1016.6
12:55 PM EDT	13.9 G 25.3	10.00	Mostly Cloudy	--	57.6	35.4	43%	NA	NA	30.03	1016.9
12:35 PM EDT	SW 19.7 G 23.0	10.00	Clear and Windy	--	57.7	34.7	42%	NA	NA	30.03	1016.9
12:15 PM EDT	SW 16.1 G 23.0	10.00	Clear	--	57.2	34.5	42%	NA	NA	30.04	1017.3
11:55 AM EDT	SW 19.7 G 26.4	10.00	Clear and Windy	--	56.3	32.5	40%	NA	NA	30.05	1017.6
11:35 AM EDT	18.3 G 27.7	10.00	Clear	--	56.1	33.6	42%	NA	NA	30.06	1018.0
11:15 AM EDT	G 26.4	10.00	Clear	--	55.8	34.9	45%	NA	NA	30.07	1018.3
10:55 AM EDT	G 25.3	10.00	Clear	--	54.5	33.4	45%	NA	NA	30.07	1018.3
10:35 AM EDT	17.2 G 23.0	10.00	Clear	--	53.4	32.7	45%	NA	NA	30.07	1018.3
10:15 AM EDT	G 24.2	10.00	Clear	--	51.8	32.0	47%	NA	NA	30.08	1018.6
09:55 AM EDT	SW 16.1 G 20.8	10.00	Clear	--	51.1	32.4	49%	NA	NA	30.08	1018.6
09:35 AM EDT	15.0 G 24.2	10.00	Clear	--	49.5	31.1	49%	43.9	NA	30.08	1018.6
09:15 AM EDT		10.00	Clear	--	48.9	31.6	51%	NA	NA	30.07	1018.3
08:55 AM EDT	12.8 G 18.3	10.00	Clear	--	47.5	31.1	53%	42.1	NA	30.07	1018.3
08:35 AM EDT	SW 12.8 G 18.3	10.00	Clear	--	46.0	30.9	55%	40.3	NA	30.08	1018.6
08:15 AM EDT	SW 12.8	10.00	Clear	--	44.6	31.5	60%	38.3	NA	30.07	1018.3
07:55 AM EDT	SW 9.2	10.00	Clear	--	42.6	31.3	64%	37.2	NA	30.07	1018.3