Williamstown, IN Weather Forecast

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Williamstown, IN Weather Forecast

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Williamstown IN weather  - Clear - 49°F
Clear
49°F
Updated 9:54 pm
Feels Like 50°F
Humidity 77%
Wind NNE 3 mph
Barometer  30.3 in
Dew Point 42°F
Williamstown IN weather  - Clear - 9°C
Clear
9°C
Updated 9:54 pm
Feels Like 10°C
Humidity 77%
Wind NNE 5 km/h
Barometer  102.6 kPa
Dew Point 6°C

Williamstown Weather Forecast

REST OF TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY SATURDAY SATURDAY NIGHT SUNDAY MONDAY TUESDAY
Williamstown, IN Weather - Rest Of Tonight Patchy Fog Williamstown, IN Weather - Wednesday Sunny Williamstown, IN Weather - Wednesday Night Patchy Fog Williamstown, IN Weather - Thursday Sunny Williamstown, IN Weather - Thursday Night Clear Williamstown, IN Weather - Friday Clear Williamstown, IN Weather - Saturday Clear Williamstown, IN Weather - Saturday Night Partly Cloudy Williamstown, IN Weather - Sunday Partly Cloudy Williamstown, IN Weather - Monday Partly Cloudy Williamstown, IN Weather - Tuesday Partly Cloudy
Patchy Fog Sunny Patchy Fog Sunny Clear Clear Clear Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Lo: 41°FLo: 5°C Hi: 70°FHi: 21°C
Lo: 45°FLo: 7°C Hi: 69°FHi: 21°C
Lo: 45°FLo: 7°C Hi: 69°FHi: 21°C
Lo: 41°FLo: 5°C
Hi: 69°FHi: 21°C
Lo: 41°FLo: 5°C
Hi: 71°FHi: 22°C
Lo: 45°FLo: 7°C
Hi: 71°FHi: 22°C
Lo: 45°FLo: 7°C
Hi: 71°FHi: 22°C
Lo: 45°FLo: 7°C
Hi: 61°FHi: 16°C
POP = Probability of Precipitation.
Weather Outlook Updated: 818 PM EDT Tue Oct 20 2026 Williamstown, IN Weather - WeatherWorld.com

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Williamstown Forecast Discussion

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Issued: 618 PM EDT Tue Oct 20 2026

Key Messages

  • Dry yet pleasant fall weather will prevail through this weekend
  • Light winds and partly/mostly clear skies will oversee near to slightly above normal temperatures

Discussion

(This evening through Tuesday)... Issued at 225 PM EDT Tue Oct 20 2026

Quiet weather is expected through the next seven days as surface high pressure remains dominant across the region. Guidance is in good agreement through the end of the week, showing upper ridging amplifying as it builds eastward across the region....