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Union Lake, PA Weather Forecast

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Union Lake, PA Weather Forecast

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Union Lake PA weather - Mist - 64°F
Mist
64°F
Updated 9:27 am
Feels Like 61°F
Humidity 100%
Wind N 0 mph
Barometer  29.92 in
Dew Point 64°F
Union Lake PA weather - Mist - 18°C
Mist
18°C
Updated 9:27 am
Feels Like 16°C
Humidity 100%
Wind N 0 km/h
Barometer  101.3 kPa
Dew Point 18°C
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Union Lake Weather Forecast

TODAY TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT
Union Lake, PA Weather - Today Chance Of T-Storm Union Lake, PA Weather - Tonight Chance Of T-Storm Union Lake, PA Weather - Tuesday Patchy Fog Union Lake, PA Weather - Tuesday Night Mostly Clear Union Lake, PA Weather - Wednesday Mostly Sunny Union Lake, PA Weather - Wednesday Night Chance Of Showers Union Lake, PA Weather - Thursday Chance Of Showers Union Lake, PA Weather - Thursday Night Partly Cloudy Union Lake, PA Weather - Friday Mostly Sunny Union Lake, PA Weather - Friday Night Partly Cloudy Union Lake, PA Weather - Saturday Chance Of Showers Union Lake, PA Weather - Saturday Night Chance Of Showers
Chance of T-Storm Chance of T-Storm Patchy Fog Mostly Clear Mostly Sunny Chance of Showers Chance of Showers Partly Cloudy Mostly Sunny Partly Cloudy Chance of Showers Chance of Showers
Hi: 81°FHi: 27°C
 Lo: 60°FLo: 16°C Hi: 80°FHi: 27°C
 Lo: 59°FLo: 15°C Hi: 81°FHi: 27°C
 Lo: 59°FLo: 15°C Hi: 79°FHi: 26°C
 Lo: 55°FLo: 13°C Hi: 79°FHi: 26°C
 Lo: 59°FLo: 15°C Hi: 79°FHi: 26°C
 Lo: 59°FLo: 15°C
POP: 40% POP: 30% POP: 30% POP: 30% POP: 40% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 635 AM EDT Mon Aug 17 2026 Union Lake, PA Weather - WeatherWorld.com

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Union Lake Forecast Discussion

Issued: 659 AM EDT Mon Aug 17 2026

Key Messages

1) Scattered showers and a few thunderstorms will be around through tonight.

2) A frontal system will move through midweek with the next round of showers and possible thunderstorms. The end of the week will be dry and cooler.


Discussion

... KEY MESSAGE 1...

A cold frontal boundary will push through the region today. Enough lift and moisture look to be present ahead of the front to develop scattered showers this afternoon into the evening hours. Some slight i...