Weather forecast for 10 daysMount Gretna, PA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 59°F
- 34°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphN 7°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:20 am EDT
- Sunset: 6:21 pm EDT
- details ▼
Today, on Sunday, October 18, sunny skies and pleasant visibility are expected.
The maximum temperature will be a refreshing 59°F, while the minimum temperature will be a cold 33.8°F.
Today's high temperature will mirror the usual October maximum 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.
The maximum temperature will be a refreshing 59°F, while the minimum temperature will be a cold 33.8°F.
Today's high temperature will mirror the usual October maximum 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.
Coldest day: today 59°C.
Coldest day: today 59°C.
Chance of precipitation
Highest chance: Monday 26.10. 12%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 59°F
- 34°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphN 7°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:20 am EDT
- Sunset: 6:21 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphNNE 14°
- 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: 51%
- 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: 52%
- 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: 52%
- UV index: 4
- Sunrise: 7:24 am EDT
- Sunset: 6:16 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 61°F
- 36°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphNNE 13°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:25 am EDT
- Sunset: 6:14 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 61°F
- 34°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 6mphENE 57°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:26 am EDT
- Sunset: 6:13 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 63°F
- 37°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 6mphNNW 342°
- 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: 12%
- Precipitation: 0"
- Wind: 7mphNNW 328°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:28 am EDT
- Sunset: 6:10 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 68°F
- 43°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphNNW 345°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:29 am EDT
- Sunset: 6:09 pm EDT
- details ▼
During the upcoming ten-day period, primarily bright and occasionally dull weather is expected.
Rainfall is not predicted in Mount Gretna in the upcoming period.
In the upcoming days, the maximum temperature will vary between 59°F and 69.8°F, while nighttime temperatures are expected to vary from 33.8°F to 44.6°F.
Tuesday will be the warmest day, with a maximum temperature of 69.8°F; today is the coldest day, with a maximum temperature of 59°F.
Rainfall is not predicted in Mount Gretna in the upcoming period.
In the upcoming days, the maximum temperature will vary between 59°F and 69.8°F, while nighttime temperatures are expected to vary from 33.8°F to 44.6°F.
Tuesday will be the warmest day, with a maximum temperature of 69.8°F; today is the coldest day, with a maximum temperature of 59°F.
Updated: Oct 18, 2026 @ 07:11:24 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, conditions will remain bright with clear skies.
Today, the highest temperature will be 59°F, while the lowest temperature will be 33.8°F.
The maximum temperature will be in line with the average highest temperature of 61.7°F in October. The lowest temperature will be significantly lower than the average low of 46°F.
The maximum temperature will be in line with the average highest temperature of 61.7°F in October. The lowest temperature will be significantly 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).
In Mount Gretna, today, there will be 11h and 2min of daylight.
