CWS Forecast: Lewisburg, PA

A somewhat active pattern is expected for the Commonwealth this week. Scattered thunderstorms are possible on Monday, especially in the evening and overnight. Widespread thunderstorms are likely on Tuesday associated with an unseasonably strong low pressure system. Damaging winds are possible with stronger storms on both days. Thunderstorms remain possible on Wednesday, while Thursday should be a bit drier. Unseasonably cool for most of the week before a warmup starts on Friday. Increasing clouds into the weekend as another storm system moves in and thunderstorm chances return.

Day One: Monday, July 27th 2026

Scattered showers throughout the afternoon  clearing out throughout the evening with partly cloudy conditions overnight.

High: 72°F 

Low: 65°F 

Day Two: Tuesday, July 28th 2026

Scattered storms in the afternoon and evening with gusty conditions and partly cloudy skies.

High: 75°F 

Low: 64°F 

Day Three: Wednesday, July 29th 2026

Partly cloudy skies throughout the day and night.

High: 76°F

Low: 67°F

Day Four: Thursday, July 30th 2026

Few clouds throughout the day and night.

High: 82°

Low: 61°F

Day Five: Friday, July 31st 2026

Partly cloudy during the day with a few clouds overnight.

High: 86°F

Low: 63°F

Last Updated on July 27, 2026 at 7:59 am