Weather forecast for tomorrowHarper, IN
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 36°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphSE 132°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:55 am EDT
- Sunset: 6:59 pm EDT
- details ▼
Tomorrow, on Sunday, October 18, the forecast calls for abundant sunshine.
Dramatic temperature shifts from a high of an enjoyable 66.2°F to a low of a cold 35.6°F are forecasted.
Tomorrow's high is predicted to coincide with the typical October maximum of 64°F.
Sunrise will be at 7:55 am and sunset at 6:59 pm; tomorrow's daylight will last for 11h and 4min.
Dramatic temperature shifts from a high of an enjoyable 66.2°F to a low of a cold 35.6°F are forecasted.
Tomorrow's high is predicted to coincide with the typical October maximum of 64°F.
Sunrise will be at 7:55 am and sunset at 6:59 pm; tomorrow's daylight will last for 11h and 4min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 36°C.
Coldest hour: 6 am 36°C.
Chance of precipitation
Highest chance: 6 am 5%.
Hourly weather forecast
- 12 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphE 81°
- Humidity: 89%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphE 88°
- Humidity: 89%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 36°F
- Feels like:36°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphE 96°
- Humidity: 94%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 36°F
- Feels like:36°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphE 100°
- Humidity: 94%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:55 am
- 8 am
- 36°F
- Feels like:36°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphESE 113°
- Humidity: 96%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 48°F
- Feels like:46°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSE 132°
- Humidity: 69%
- Pressure: 30.56"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSE 145°
- Humidity: 45%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSE 141°
- Humidity: 34%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSE 136°
- Humidity: 30%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSE 128°
- Humidity: 34%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:59 pm
- 8 pm
- 52°F
- Feels like:52°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphESE 105°
- Humidity: 56%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:48°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphESE 105°
- Humidity: 66%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, mostly cloudless and sunny weather is anticipated.
The temperature will be between the lowest temperature of 35.6°F and the highest temperature of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The highest temperature will be resembling October's average maximum of 64°F. Tomorrow, expect the temperature to be more resembling the typical minimum for November than for October.
The temperature will be between the lowest temperature of 35.6°F and the highest temperature of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The highest temperature will be resembling October's average maximum of 64°F. Tomorrow, expect the temperature to be more resembling the typical minimum for November than for October.
Updated: Oct 17, 2026 @ 22:33:41 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, sunny skies are in store, with excellent visibility.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 35.6°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature tomorrow will be significantly lower than the average low of 47.1°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature tomorrow will be significantly lower than the average low of 47.1°F.
On Sunday, in Harper, sunrise will be at 7:55 am and sunset at 6:59 pm (EDT).
In Harper, tomorrow, there will be 11h and 4min of daylight.
