Weather forecast for tomorrowPennsylvania, USA
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Weather forecast for tomorrow
Sunday Oct 18, 2026
- 61°F
- 37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphN 353°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:21 am EDT
- Sunset: 6:23 pm EDT
- details ▼
Tomorrow, on Sunday, October 18, sunshine is also forecasted under mostly clear skies.
Temperatures are expected to peak at a comfortable 60.8°F and drop to a minimum of an icy 37.4°F.
The anticipated maximum temperature will closely reflect October's average high of 62.8°F.
Sunrise will be at 7:21 am and sunset at 6:23 pm; tomorrow's daylight will last for 11h and 2min.
Temperatures are expected to peak at a comfortable 60.8°F and drop to a minimum of an icy 37.4°F.
The anticipated maximum temperature will closely reflect October's average high of 62.8°F.
Sunrise will be at 7:21 am and sunset at 6:23 pm; tomorrow's daylight will last for 11h and 2min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 59°C.
Coldest hour: 6 am 36°C.
Coldest hour: 6 am 36°C.
Chance of precipitation
Highest chance: 6 am 4%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphNNW 348°
- Humidity: 65%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphNNW 344°
- Humidity: 70%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphN 349°
- Humidity: 74%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 36°F
- Feels like:36°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphNNW 338°
- Humidity: 77%
- Pressure: 30.56"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:21 am
- 8 am
- 36°F
- Feels like:36°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 1mphNNW 335°
- Humidity: 81%
- Pressure: 30.59"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 45°F
- Feels like:45°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNNE 11°
- Humidity: 58%
- Pressure: 30.59"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 52°F
- Feels like:52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphN 356°
- Humidity: 40%
- Pressure: 30.59"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphN 0°
- Humidity: 34%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphN 8°
- Humidity: 34%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNNW 348°
- Humidity: 44%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:23 pm
- 8 pm
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 0mphSE 134°
- Humidity: 60%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphSSW 200°
- Humidity: 76%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily sun-filled and occasionally cloud-filled weather is expected.
The temperature will be between a minimum of 35.6°F and a maximum of 59°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature tomorrow will be consistent with October's average high. The expected low will be more resembling what’s common in November than the current October average of 46°F.
The temperature will be between a minimum of 35.6°F and a maximum of 59°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature tomorrow will be consistent with October's average high. The expected low will be more resembling what’s common in November than the current October average of 46°F.
Updated: Oct 17, 2026 @ 12:46:53 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 Harrisburg, sunshine and minimal clouds are in the outlook.
Tomorrow, the highest temperature will be 60.8°F, while the lowest temperature will be 37.4°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature tomorrow will be a couple of degrees lower than the average low temperature.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature tomorrow will be a couple of degrees lower than the average low temperature.
On Sunday, in Harrisburg, sunrise will be at 7:21 am and sunset at 6:23 pm (EDT).
Tomorrow, the daylight will last for 11h and 2min.
