Weather forecast for tomorrowGrand Valley, PA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 68°F
- 39°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSW 233°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:35 am EDT
- Sunset: 6:30 pm EDT
- details ▼
Tomorrow, on Monday, expect bright skies and plenty of sunshine.
A substantial temperature range, peaking at an agreeable 68°F and bottoming out at an icy 39.2°F, is predicted.
Forecasts show a high closer to September's climate pattern, around 71.4°F, rather than October's 58.3°F.
Sunrise will be at 7:35 am and sunset at 6:30 pm; tomorrow's daylight will last for 10h and 56min.
A substantial temperature range, peaking at an agreeable 68°F and bottoming out at an icy 39.2°F, is predicted.
Forecasts show a high closer to September's climate pattern, around 71.4°F, rather than October's 58.3°F.
Sunrise will be at 7:35 am and sunset at 6:30 pm; tomorrow's daylight will last for 10h and 56min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 34°C.
Coldest hour: 6 am 34°C.
Chance of precipitation
Highest chance: 9 pm 5%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:39°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphS 175°
- Humidity: 74%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphSSE 165°
- Humidity: 77%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 36°F
- Feels like:34°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphSSE 160°
- Humidity: 81%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 34°F
- Feels like:34°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphSSE 161°
- Humidity: 83%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:35 am
- 8 am
- 34°F
- Feels like:34°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphSSE 160°
- Humidity: 85%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 46°F
- Feels like:46°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSSE 158°
- Humidity: 62%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSSW 208°
- Humidity: 38%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphWNW 284°
- Humidity: 28%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNW 312°
- Humidity: 29%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNNW 332°
- Humidity: 46%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:30 pm
- 8 pm
- 52°F
- Feels like:50°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphNNW 342°
- Humidity: 64%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphN 0°
- Humidity: 77%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, sunny conditions are likely to prevail.
The temperature will vary between a minimum of 33.8°F and a maximum of 66.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature will feel more similar to September's average high than the expected maximum for October. Forecasts indicate a night temperature relatively lower than the usual October minimum of 43°F.
The temperature will vary between a minimum of 33.8°F and a maximum of 66.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature will feel more similar to September's average high than the expected maximum for October. Forecasts indicate a night temperature relatively lower than the usual October minimum of 43°F.
Updated: Oct 18, 2026 @ 11:10:02 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, in Grand Valley, sunshine will likely continue with scattered clouds at most.
Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be notably higher than the average highest temperature of 58.3°F in October. The lowest temperature will be relatively lower than the average low of 43°F.
The maximum temperature will be notably higher than the average highest temperature of 58.3°F in October. The lowest temperature will be relatively lower than the average low of 43°F.
On Monday, in Grand Valley, sunrise will be at 7:35 am and sunset at 6:30 pm (EDT).
In Grand Valley, tomorrow, there will be 10h and 56min of daylight.





