Weather forecast for 10 daysMount Gretna, PA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 61°F
- 34°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphN 7°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:20 am EDT
- Sunset: 6:21 pm EDT
- details ▼
Today, in Mount Gretna, the outlook remains bright and sunny.
Considerable temperature fluctuations from a high of an enjoyable 60.8°F to a low of a cold 33.8°F are expected.
The maximum temperature today is forecasted to reflect October's average high of 61.7°F.
Sunrise will be at 7:20 am and sunset at 6:21 pm; the daylight will last for 11h and 2min.
Considerable temperature fluctuations from a high of an enjoyable 60.8°F to a low of a cold 33.8°F are expected.
The maximum temperature today is forecasted to reflect October's average high of 61.7°F.
Sunrise will be at 7:20 am and sunset at 6:21 pm; the daylight will last for 11h and 2min.
10-day overview
Daily temperatures
Warmest day: Tuesday 70°C.
Minimum temperature: 61°C.
Minimum temperature: 61°C.
Chance of precipitation
Highest chance: Sunday 25.10. 10%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 61°F
- 34°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphN 7°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:20 am EDT
- Sunset: 6:21 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphNNE 13°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:21 am EDT
- Sunset: 6:20 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 41°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphN 1°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:22 am EDT
- Sunset: 6:19 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphN 9°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:23 am EDT
- Sunset: 6:17 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 66°F
- 43°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphNNW 346°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:24 am EDT
- Sunset: 6:16 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 63°F
- 36°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphN 9°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:25 am EDT
- Sunset: 6:14 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 61°F
- 32°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 6mphNE 45°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:26 am EDT
- Sunset: 6:13 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 63°F
- 36°F
Mostly Sunny
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 6mphNNW 335°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:27 am EDT
- Sunset: 6:12 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 45°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphNW 323°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:28 am EDT
- Sunset: 6:10 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 66°F
- 43°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphN 349°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:29 am EDT
- Sunset: 6:09 pm EDT
- details ▼
Over the next ten days, conditions will reflect that primarily clear and occasionally cloudy weather is predicted.
Rain is not anticipated in Mount Gretna in the upcoming days.
In the upcoming days, the highest temperature will range between 60.8°F and 69.8°F, while the difference in minimum temperatures will be substantial, as the lowest temperatures will be recorded between 32°F and 44.6°F.
Tuesday is expected to be the warmest, reaching up to 69.8°F; Sunday and Saturday, with the highest temperature of 60.8°F, will be the coldest days.
Rain is not anticipated in Mount Gretna in the upcoming days.
In the upcoming days, the highest temperature will range between 60.8°F and 69.8°F, while the difference in minimum temperatures will be substantial, as the lowest temperatures will be recorded between 32°F and 44.6°F.
Tuesday is expected to be the warmest, reaching up to 69.8°F; Sunday and Saturday, with the highest temperature of 60.8°F, will be the coldest days.
Updated: Oct 18, 2026 @ 08:18:28 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
On Sunday, sunny skies and pleasant visibility are expected.
Today, the maximum temperature will be 60.8°F, while the minimum temperature will be 33.8°F.
The highest temperature today will be in line with the average maximum temperature in October. The lowest temperature today will be notably lower than the average low of 46°F.
The highest temperature today will be in line with the average maximum temperature in October. The lowest temperature today will be notably lower than the average low of 46°F.
On Sunday, in Mount Gretna, sunrise will be at 7:20 am and sunset at 6:21 pm (EDT).
Today, the daylight will last for 11h and 2min.
