Weather forecast for tomorrowSaint John, IN
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 36°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 13mphSSW 199°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:05 am CDT
- Sunset: 6:04 pm CDT
- details ▼
On Sunday, October 18, the forecast calls for abundant sunshine.
Temperatures will see a substantial oscillation, reaching a high of a breezy 64.4°F and dropping to a low of a cold 35.6°F.
The anticipated maximum temperature will closely reflect October's average high of 61.5°F.
Sunrise will be at 7:05 am and sunset at 6:04 pm; tomorrow's daylight will last for 10h and 59min.
Temperatures will see a substantial oscillation, reaching a high of a breezy 64.4°F and dropping to a low of a cold 35.6°F.
The anticipated maximum temperature will closely reflect October's average high of 61.5°F.
Sunrise will be at 7:05 am and sunset at 6:04 pm; tomorrow's daylight will last for 10h and 59min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 37°C.
Coldest hour: 6 am 37°C.
Chance of precipitation
Highest chance: 12 am - 6 am 3%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphSSW 200°
- Humidity: 79%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphS 191°
- Humidity: 81%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:34°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSSW 195°
- Humidity: 79%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:34°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSSW 195°
- Humidity: 79%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:05 am
- 8 am
- 41°F
- Feels like:36°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSW 197°
- Humidity: 75%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:48°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 201°
- Humidity: 50%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 205°
- Humidity: 38%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphSSW 203°
- Humidity: 34%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 198°
- Humidity: 34%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphS 182°
- Humidity: 43%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:04 pm
- 8 pm
- 52°F
- Feels like:50°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphS 183°
- Humidity: 55%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphS 187°
- Humidity: 64%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, clear skies and sunny weather are expected.
The temperature will vary between a minimum of 37.4°F and a maximum of 62.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature tomorrow will be similar to October's typical maximum. Tomorrow, expect the temperature to be more in line with the typical minimum for November than for October.
The temperature will vary between a minimum of 37.4°F and a maximum of 62.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature tomorrow will be similar to October's typical maximum. Tomorrow, expect the temperature to be more in line with the typical minimum for November than for October.
Updated: Oct 17, 2026 @ 18:36:05 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, uninterrupted sunshine is anticipated.
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 35.6°F.
The maximum temperature will be in line with the average highest temperature of 61.5°F in October. The lowest temperature tomorrow will be significantly lower than the average low of 46.8°F.
The maximum temperature will be in line with the average highest temperature of 61.5°F in October. The lowest temperature tomorrow will be significantly lower than the average low of 46.8°F.
On Sunday, in Saint John, sunrise will be at 7:05 am and sunset at 6:04 pm (CDT).
In Saint John, tomorrow, there will be 10h and 59min of daylight.





