Weather forecast for tomorrowGreat Valley, NY
Weather forecast for tomorrow
Monday Oct 19, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphWSW 247°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:32 am EDT
- Sunset: 6:26 pm EDT
- details ▼
On Monday, October 19, expect bright skies and plenty of sunshine.
Temperature readings will span from a daytime high of a comfortable 66.2°F to a night low of a cold 39.2°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 69.6°F, not October's.
Sunrise will be at 7:32 am and sunset at 6:26 pm; tomorrow's daylight will last for 10h and 55min.
Temperature readings will span from a daytime high of a comfortable 66.2°F to a night low of a cold 39.2°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 69.6°F, not October's.
Sunrise will be at 7:32 am and sunset at 6:26 pm; tomorrow's daylight will last for 10h and 55min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 34°C.
Coldest hour: 6 am 34°C.
Chance of precipitation
Highest chance: 9 pm 6%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 3mphSSW 196°
- Humidity: 69%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphSSW 193°
- Humidity: 70%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 36°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphS 180°
- Humidity: 73%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 34°F
- Feels like:34°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 1mphS 189°
- Humidity: 76%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:32 am
- 8 am
- 34°F
- Feels like:34°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphS 179°
- Humidity: 77%
- 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: 2mphSSW 195°
- Humidity: 59%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphWSW 237°
- Humidity: 39%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphW 277°
- Humidity: 29%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNW 313°
- Humidity: 33%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphNNW 335°
- Humidity: 55%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:26 pm
- 8 pm
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphNNW 344°
- Humidity: 72%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 2mphNNW 345°
- Humidity: 78%
- Pressure: 30.36"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Tomorrow, on Monday, bright and mostly sunny weather is expected.
The temperature will be between the lowest temperature of 33.8°F and the highest temperature of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The forecasted maximum is more alike with September's typical high of 69.6°F than the average for October. The night temperature will be comparable to the standard October low of 41.5°F.
The temperature will be between the lowest temperature of 33.8°F and the highest temperature of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The forecasted maximum is more alike with September's typical high of 69.6°F than the average for October. The night temperature will be comparable to the standard October low of 41.5°F.
Updated: Oct 18, 2026 @ 12:25:57 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, clear skies and sunshine are anticipated.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be significantly higher than the average highest temperature of 56.5°F in October. The lowest temperature will be in line with the average low of 41.5°F.
The maximum temperature will be significantly higher than the average highest temperature of 56.5°F in October. The lowest temperature will be in line with the average low of 41.5°F.
On Monday, in Great Valley, sunrise will be at 7:32 am and sunset at 6:26 pm (EDT).
In Great Valley, New York, the length of the day tomorrow will be 10h and 55min.
