Weather forecast for tomorrow
Wednesday, Jun 18.
5:40 am
8:46 pm
EDT
8:46 pm
EDT
Scattered Thunderstorms
82°F / 70°F
- Wind: 7mph WSW
- Humidity: 81%
- Precip. probability: 57%
- Precipitation: 0.16"
- UV index: 7
On Wednesday, June 18, scattered thunderstorms are expected, with the potential for brief but intense rain and lightning.
The chance of precipitation for tomorrow is high. However, the rainfall will be light. The temperature is anticipated to vary between a warm 82.4°F and an agreeable 69.8°F.
The maximum heat index, which measures the combined effect of heat and moisture, is computed to be a hot 89.6°F. Note that heat index values are valued for light wind and location in the shade.
The temperature is forecasted to be a few degrees higher than the standard June peak of 77.9°F.
Sunrise will be at 5:40 am and sunset at 8:46 pm; tomorrow's daylight will last for 15h and 6min.
The chance of precipitation for tomorrow is high. However, the rainfall will be light. The temperature is anticipated to vary between a warm 82.4°F and an agreeable 69.8°F.
The maximum heat index, which measures the combined effect of heat and moisture, is computed to be a hot 89.6°F. Note that heat index values are valued for light wind and location in the shade.
The temperature is forecasted to be a few degrees higher than the standard June peak of 77.9°F.
Sunrise will be at 5:40 am and sunset at 8:46 pm; tomorrow's daylight will last for 15h and 6min.
Frequently asked questions
What is the weather forecast for Calvin for tomorrow?
Tomorrow, in Calvin, expect scattered thunderstorms, which could cause brief interruptions in outdoor plans.
Will it rain tomorrow?
Light precipitation of 0.16" is anticipated. The chance of rainfall is 57%.
What will be the highest temperature in Calvin tomorrow?
Tomorrow, the highest temperature will be 82.4°F, while the lowest temperature will be 69.8°F. The maximum heat index, which integrates air moisture with ambient temperature, is evaluated at 89.6°F.
The highest temperature will be relatively higher than the average maximum of 77.9°F in June. The lowest temperature will be noticeably higher than the average low of 55.2°F.
The highest temperature will be relatively higher than the average maximum of 77.9°F in June. The lowest temperature will be noticeably higher than the average low of 55.2°F.
When is the sunrise / sunset tomorrow?
On Wednesday, in Calvin, sunrise will be at 5:40 am and sunset at 8:46 pm (EDT).
How many hours of daylight will Calvin have tomorrow?
In Calvin, the length of the day tomorrow will be 15h and 6min.
Hourly weather forecast
12 am
- 70°F
- Feels like:
70°F
Few Showers
- Wind: 3mph SSW
- Pressure: 29.88"Hg
- Humidity: 96%
- Precip. probability: 30%
- Precipitation: 0.04"
- Visibility: 2mi
2 am
- 70°F
- Feels like:
72°F
Showers
- Wind: 2mph SSW
- Pressure: 29.88"Hg
- Humidity: 95%
- Precip. probability: 45%
- Precipitation: 0.04"
- Visibility: 4mi
4 am
- 70°F
- Feels like:
72°F
Cloudy
- Wind: 2mph SSW
- Pressure: 29.88"Hg
- Humidity: 95%
- Precip. probability: 24%
- Precipitation: 0"
- Visibility: 4mi
Sunrise: 5:40 am
6 am
- 68°F
- Feels like:
70°F
Mostly Cloudy
- Wind: 2mph SSW
- Pressure: 29.88"Hg
- Humidity: 94%
- Precip. probability: 16%
- Precipitation: 0"
- Visibility: 6mi
8 am
- 70°F
- Feels like:
72°F
Showers
- Wind: 2mph SW
- Pressure: 29.91"Hg
- Humidity: 94%
- Precip. probability: 46%
- Precipitation: 0.04"
- Visibility: 2mi
10 am
- 73°F
- Feels like:
75°F
Few Showers
- Wind: 4mph SW
- Pressure: 29.91"Hg
- Humidity: 87%
- Precip. probability: 32%
- Precipitation: 0.04"
- Visibility: 6mi
12 pm
- 77°F
- Feels like:
81°F
Showers
- Wind: 6mph WSW
- Pressure: 29.91"Hg
- Humidity: 81%
- Precip. probability: 53%
- Precipitation: 0.04"
- Visibility: 7mi
2 pm
- 79°F
- Feels like:
82°F
Cloudy
- Wind: 7mph WSW
- Pressure: 29.88"Hg
- Humidity: 75%
- Precip. probability: 24%
- Precipitation: 0"
- Visibility: 10mi
4 pm
- 79°F
- Feels like:
84°F
Mostly Cloudy
- Wind: 7mph WSW
- Pressure: 29.85"Hg
- Humidity: 73%
- Precip. probability: 15%
- Precipitation: 0"
- Visibility: 10mi
6 pm
- 81°F
- Feels like:
84°F
Partly Cloudy
- Wind: 7mph WSW
- Pressure: 29.85"Hg
- Humidity: 70%
- Precip. probability: 24%
- Precipitation: 0"
- Visibility: 10mi
8 pm
- 79°F
- Feels like:
82°F
Mostly Sunny
- Wind: 4mph WSW
- Pressure: 29.85"Hg
- Humidity: 75%
- Precip. probability: 6%
- Precipitation: 0"
- Visibility: 10mi
Sunset: 8:46 pm
10 pm
- 75°F
- Feels like:
77°F
Mostly Clear
- Wind: 4mph SW
- Pressure: 29.88"Hg
- Humidity: 83%
- Precip. probability: 8%
- Precipitation: 0"
- Visibility: 10mi
Tomorrow, on Wednesday, weather will be unstable, and a mix of rain-filled, gloomy, lightning-active and sun-filled weather is forecasted.
Rainfall is forecasted from 12 am to 3 am, and from 7 am to 1 pm and at 3 pm. With light precipitation of 0.08", most rainfall is expected at 1 pm.
The temperature will be between the lowest temperature of 68°F and the highest temperature of 80.6°F. The warmest part of the day will be from 5 pm to 7 pm.
The highest temperature will be moderately higher than June's average maximum of 77.9°F. The minimum temperature will be more in line with July's average low of 60.3°F than June's typical 55.2°F.
Rainfall is forecasted from 12 am to 3 am, and from 7 am to 1 pm and at 3 pm. With light precipitation of 0.08", most rainfall is expected at 1 pm.
The temperature will be between the lowest temperature of 68°F and the highest temperature of 80.6°F. The warmest part of the day will be from 5 pm to 7 pm.
The highest temperature will be moderately higher than June's average maximum of 77.9°F. The minimum temperature will be more in line with July's average low of 60.3°F than June's typical 55.2°F.
Updated: Jun 17, 2025 @ 21:14:30 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