Williamsport, OH Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Williamsport, OH.

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Current Conditions — Williamsport, OH

COLUMBUS/BOLTON (KTZR)

Clear

52.3 F
Humidity:80%
Wind Speed: 0.0 mph
Barometer:30.10 in
Dewpoint:46.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 27 2026, 12:35 AM EDT
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5-Day Forecast — Williamsport, OH

Monday

High 82 °F
Mostly Cloudy
Monday
Night
Low 57 °F
T-storms
Tuesday

High 75 °F
Chance of T-storms
Tuesday
Night
Low 55 °F
T-storms Likely
Wednesday

High 64 °F
T-storms Likely
Wednesday
Night
Low 41 °F
Mostly Cloudy
Thursday

High 62 °F
Partly Sunny
Thursday
Night
Low 41 °F
Partly Cloudy
Friday

High 60 °F
Slight Chance of Rain Showers

Detailed Forecast — Williamsport, OH

Monday
Mostly Cloudy. High near 82°F. Wind 8 to 14 mph, with gusts as high as 24 mph.
Monday Night
Thunderstorms. Low around 57°F. Wind 10 to 17 mph, with gusts as high as 26 mph.
Tuesday
Chance of Thunderstorms. High near 75°F. Wind 15 to 18 mph, with gusts as high as 28 mph.
Tuesday Night
Thunderstorms Likely. Low around 55°F. Wind 3 to 7 mph, with gusts as high as 14 mph.
Wednesday
Thunderstorms Likely. High near 64°F. Wind 7 to 15 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly Cloudy. Low around 41°F. Wind 6 to 12 mph, with gusts as high as 18 mph.
Thursday
Partly Sunny. High near 62°F. Wind 7 to 14 mph, with gusts as high as 20 mph.
Thursday Night
Partly Cloudy. Low around 41°F. Wind 3 to 7 mph, with gusts as high as 15 mph.
Friday
Slight Chance of Rain Showers. High near 60°F. Wind 5 to 13 mph, with gusts as high as 18 mph.
Friday Night
Partly Cloudy. Low around 39°F. Wind 3 to 9 mph, with gusts as high as 17 mph.
Saturday
Partly Sunny. High near 62°F. Wind 6 to 12 mph, with gusts as high as 18 mph.
Saturday Night
Mostly Clear. Low around 39°F. Wind 3 to 8 mph, with gusts as high as 15 mph.
Sunday
Partly Sunny. High near 64°F. Wind 5 to 9 mph, with gusts as high as 15 mph.
OH Radar
Current Radar • OH
Day 1 Outlook • April 27, 2026

Observation History — Williamsport, OH

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)
12:35 AM EDT 0.0 10.00 Clear -- 52.3 46.4 80% NA NA 30.10 1019.3
12:15 AM EDT E 4.7 10.00 Clear -- 52.7 46.6 80% NA NA 30.10 1019.3
11:55 PM EDT E 4.7 10.00 Clear -- 52.7 46.6 80% NA NA 30.10 1019.3
11:35 PM EDT 4.7 10.00 Clear -- 51.4 46.2 82% NA NA 30.12 1019.7
11:15 PM EDT NE 3.4 10.00 Clear -- 49.5 45.3 86% 48.7 NA 30.12 1019.7
10:55 PM EDT NE 5.8 10.00 Clear -- 49.3 44.8 84% 46.9 NA 30.12 1019.7
10:35 PM EDT 3.4 10.00 Clear -- 51.8 46.4 82% NA NA 30.12 1019.7
10:15 PM EDT 3.4 10.00 Clear -- 52.0 47.3 84% NA NA 30.10 1019.3
09:55 PM EDT NE 3.4 10.00 Clear -- 51.1 45.7 82% NA NA 30.10 1019.3
09:35 PM EDT NE 3.4 10.00 NULL -- 52.0 45.9 80% NA NA 30.09 1019.0
09:15 PM EDT 3.4 10.00 Clear -- 53.8 46.8 77% NA NA 30.09 1019.0
08:55 PM EDT 4.7 10.00 Clear -- 54.3 46.8 76% NA NA 30.08 1018.6
08:35 PM EDT 4.7 10.00 Clear -- 55.4 47.3 74% NA NA 30.08 1018.6
08:15 PM EDT 5.8 10.00 Clear -- 55.8 47.5 74% NA NA 30.08 1018.6
07:55 PM EDT 5.8 10.00 Clear -- 57.6 47.8 70% NA NA 30.09 1019.0
07:35 PM EDT E 8.1 10.00 Clear -- 58.8 48.2 68% NA NA 30.08 1018.6
06:51 PM EDT 6.9 10.00 Clear -- 60.8 48.2 63% NA NA 30.08 1018.6
05:55 PM EDT 9.2 10.00 Clear -- 62.6 48.2 59% NA NA 30.08 1018.6
04:51 PM EDT NE 5.8 10.00 Clear -- 62.6 48.2 59% NA NA 30.07 1018.3
03:54 PM EDT NE 5.8 10.00 Clear -- 60.8 48.2 63% NA NA 30.08 1018.6
02:50 PM EDT E 4.7 10.00 Mostly Cloudy -- 60.8 48.2 63% NA NA 30.09 1019.0
01:50 PM EDT E 5.8 10.00 Cloudy -- 57.2 46.4 67% NA NA 30.10 1019.3
12:55 PM EDT E 5.8 10.00 Cloudy -- 53.6 46.4 77% NA NA 30.12 1020.0
11:55 AM EDT 0.0 10.00 Cloudy -- 51.8 44.6 76% NA NA 30.12 1020.0

Regional Weather Observation

COLUMBUS/BOLTON (KTZR)

Clear
52.3 F

LONDON (KUYF)

Clear
46.4 F

WASHINGTON COURT (KI23)

Clear
50.0 F

SPRINGFIELD MUNI (KSGH)

Clear
48.2 F

CHILLICOTHE (KRZT)

Clear
48.2 F

(KI19)


F
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