Gaston, IN Weather Forecast & Alerts

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

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Current Conditions — Gaston, IN

MARION MUNI (KMZZ)

Clear

75.7 F
Humidity:%
Wind Speed: G 38.0 mph
Barometer:29.92 in
Dewpoint: F
Visibility:7.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 21 2026, 05:55 PM EDT
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5-Day Forecast — Gaston, IN

Tuesday

High 77 °F
Partly Sunny
Tuesday
Night
Low 57 °F
Chance of T-storms
Wednesday

High 75 °F
Chance of T-storms
Wednesday
Night
Low 57 °F
Partly Cloudy
Thursday

High 80 °F
Partly Sunny
Thursday
Night
Low 60 °F
Mostly Clear
Friday

High 77 °F
T-storms Likely
Friday
Night
Low 57 °F
Chance of Rain
Saturday

High 71 °F
Slight Chance of Showers

Detailed Forecast — Gaston, IN

Tuesday
Partly Sunny. High near 77°F. Wind 14 to 21 mph, with gusts as high as 35 mph.
Tuesday Night
Chance of Thunderstorms. Low around 57°F. Wind 9 to 13 mph, with gusts as high as 24 mph.
Wednesday
Chance of Thunderstorms. High near 75°F. Wind 5 to 10 mph, with gusts as high as 17 mph.
Wednesday Night
Partly Cloudy. Low around 57°F. Wind 2 to 3 mph, with gusts as high as 9 mph.
Thursday
Partly Sunny. High near 80°F. Wind 7 to 12 mph, with gusts as high as 18 mph.
Thursday Night
Mostly Clear. Low around 60°F. Wind around 6 mph, with gusts as high as 14 mph.
Friday
Thunderstorms Likely. High near 77°F. Wind 8 to 15 mph, with gusts as high as 23 mph.
Friday Night
Chance of Rain. Low around 57°F. Wind around 6 mph, with gusts as high as 12 mph.
Saturday
Slight Chance of Showers. High near 71°F. Wind 7 to 9 mph, with gusts as high as 15 mph.
Saturday Night
Partly Cloudy. Low around 48°F. Wind around 6 mph, with gusts as high as 13 mph.
Sunday
Partly Sunny. High near 73°F. Wind 7 to 9 mph, with gusts as high as 15 mph.
Sunday Night
Isolated T-storm. Low around 53°F. Wind around 8 mph, with gusts as high as 16 mph.
Monday
Chance of Thunderstorms. High near 75°F. Wind 12 to 14 mph, with gusts as high as 23 mph.
IN Radar
Current Radar • IN
Day 1 Outlook • April 21, 2026

Observation History — Gaston, IN

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
05:55 PM EDT G 38.0 7.00 Clear -- 75.7 % NA NA 29.92 1013.2
05:35 PM EDT G 34.4 7.00 Clear -- 75.9 % NA NA 29.92 1013.2
05:15 PM EDT G 39.1 10.00 Clear -- 75.6 % NA NA 29.92 1013.2
04:55 PM EDT G 40.3 10.00 Clear -- 76.1 % NA NA 29.94 1013.6
04:35 PM EDT G 33.3 10.00 Clear -- 76.3 % NA NA 29.94 1013.9
04:15 PM EDT G 33.3 10.00 Clear -- 75.6 % NA NA 29.94 1013.9
03:55 PM EDT G 34.4 10.00 Clear -- 75.7 % NA NA 29.96 1014.6
03:35 PM EDT G 32.2 10.00 Clear -- 75.2 % NA NA 29.98 1015.2
03:15 PM EDT SW 23.0 G 32.2 10.00 Clear and Windy -- 74.3 % NA NA 29.99 1015.6
02:55 PM EDT G 33.3 10.00 Clear -- 73.9 % NA NA 30.00 1015.9
02:35 PM EDT G 30.0 10.00 Clear -- 73.6 % NA NA 30.01 1016.3
02:15 PM EDT G 33.3 7.00 Clear -- 72.9 % NA NA 30.02 1016.6
01:55 PM EDT G 33.3 10.00 Clear -- 72.3 % NA NA 30.03 1016.9
01:15 PM EDT G 31.1 7.00 Clear -- 70.3 % NA NA 30.06 1018.0
12:55 PM EDT G 27.7 10.00 Clear -- 70.0 % NA NA 30.07 1018.3
12:35 PM EDT 19.7 G 27.7 10.00 Clear and Windy -- 68.9 % NA NA 30.07 1018.3
12:15 PM EDT SW 19.7 G 25.3 7.00 Clear and Windy -- 67.5 % NA NA 30.09 1019.0
11:55 AM EDT 18.3 G 24.2 10.00 Clear -- 67.3 % NA NA 30.09 1019.0
11:35 AM EDT G 21.9 10.00 Clear -- 64.9 37.2 36% NA NA 30.10 1019.3
11:15 AM EDT SW 16.1 10.00 Clear -- 62.8 36.5 38% NA NA 30.12 1019.7
10:35 AM EDT SW 17.2 10.00 Clear -- 59.2 34.3 39% NA NA 30.12 1020.0
10:15 AM EDT SW 18.3 G 24.2 10.00 NULL -- 57.2 34.0 41% NA NA 30.12 1020.0
09:55 AM EDT 10.00 Clear -- 55.2 32.9 43% NA NA 30.13 1020.3
09:35 AM EDT 18.3 G 25.3 10.00 Clear -- 52.9 32.0 45% NA NA 30.14 1020.7

Regional Weather Observation

MARION MUNI (KMZZ)

Clear
75.7 F

ANDERSON MUNICIP (KAID)

Clear and Windy
75.6 F

MUNCIE (KMIE)

Clear and Windy
77.0 F

HUNTINGTON (KHHG)

Clear
74.7 F

FORT WAYNE (KFWA)

Mostly Clear
75.2 F

KOKOMO (KOKK)

Clear
75.2 F
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