Weather forecast for 10 daysHarmonsburg, PA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 61°F
- 34°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphSSW 195°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:37 am EDT
- Sunset: 6:35 pm EDT
- details ▼
On Sunday, October 18, sunny skies are also in store, with excellent visibility.
Dramatic changes in temperature are predicted, reaching a high of an enjoyable 60.8°F and falling to a low of a cold 33.8°F.
Tomorrow, the maximum temperature is forecasted to be in line with the typical October high of 59°F.
Sunrise will be at 7:37 am and sunset at 6:35 pm; tomorrow's daylight will last for 10h and 59min.
Dramatic changes in temperature are predicted, reaching a high of an enjoyable 60.8°F and falling to a low of a cold 33.8°F.
Tomorrow, the maximum temperature is forecasted to be in line with the typical October high of 59°F.
Sunrise will be at 7:37 am and sunset at 6:35 pm; tomorrow's daylight will last for 10h and 59min.
10-day overview
Daily temperatures
Maximum temperature: 66°C.
Coldest day: tomorrow 61°C.
Coldest day: tomorrow 61°C.
Chance of precipitation
Highest chance: Monday 26.10. 21%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 32°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphSSW 202°
- Humidity: 87%
- UV index: 0
- Sunrise: 7:35 am EDT
- Sunset: 6:37 pm EDT
- details ▼
- Sunday
- Oct 18, 2026
- 61°F
- 34°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphSSW 195°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:37 am EDT
- Sunset: 6:35 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphSW 227°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:38 am EDT
- Sunset: 6:34 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 66°F
- 36°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 8mphNNE 29°
- Humidity: 68%
- UV index: 4
- Sunrise: 7:39 am EDT
- Sunset: 6:32 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphNE 46°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:40 am EDT
- Sunset: 6:31 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphN 9°
- Humidity: 66%
- UV index: 4
- Sunrise: 7:41 am EDT
- Sunset: 6:29 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 63°F
- 37°F
Sunny
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 6mphNE 48°
- Humidity: 64%
- UV index: 4
- Sunrise: 7:42 am EDT
- Sunset: 6:28 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 64°F
- 39°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphESE 117°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:44 am EDT
- Sunset: 6:26 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 66°F
- 43°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphS 170°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:45 am EDT
- Sunset: 6:25 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 66°F
- 45°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 6mphWNW 291°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:46 am EDT
- Sunset: 6:24 pm EDT
- details ▼
During the upcoming ten-day period, a combination of clear and cloud-filled weather is anticipated.
Rainfall is not predicted in Harmonsburg in the upcoming period.
The high temperatures are expected to remain largely stable in the coming days. The maximum temperature will vary between 60.8°F and 66.2°F, while the lowest night temperatures will vary significantly, as temperatures overnight will fluctuate from 32°F up to 44.6°F.
Monday through Wednesday, next Sunday and Monday, with the highest temperature of 66.2°F, will be the warmest days; the coldest day will be Sunday, with a maximum of 60.8°F.
Rainfall is not predicted in Harmonsburg in the upcoming period.
The high temperatures are expected to remain largely stable in the coming days. The maximum temperature will vary between 60.8°F and 66.2°F, while the lowest night temperatures will vary significantly, as temperatures overnight will fluctuate from 32°F up to 44.6°F.
Monday through Wednesday, next Sunday and Monday, with the highest temperature of 66.2°F, will be the warmest days; the coldest day will be Sunday, with a maximum of 60.8°F.
Updated: Oct 18, 2026 @ 01:38:50 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, clear and sunny conditions are expected.
Tomorrow, the maximum temperature will be 60.8°F, while the minimum temperature will be 33.8°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be notably lower than the average low of 45.3°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be notably lower than the average low of 45.3°F.
On Sunday, in Harmonsburg, sunrise will be at 7:37 am and sunset at 6:35 pm (EDT).
In Harmonsburg, tomorrow, there will be 10h and 59min of daylight.





