Weather forecast for tomorrow
Wednesday, Jun 18.
5:33 am
8:53 pm
EDT
8:53 pm
EDT
PM Thunderstorms
81°F / 70°F
- Wind: 6mph SW
- Humidity: 79%
- Precip. probability: 56%
- Precipitation: 0.28"
- UV index: 7
Tomorrow, on Wednesday, June 18, afternoon storms could include thunder and brief downpours.
With a high probability, light precipitation is predicted. The temperature is anticipated to vary between a maximum of a warm 80.6°F and a minimum of a pleasant 69.8°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is calculated to be a humid 86°F. Note that heat index values are valued for light wind and location in the shade.
The forecast high is higher and more aligned with what is typical in July than in June.
Sunrise will be at 5:33 am and sunset at 8:53 pm; tomorrow's daylight will last for 15h and 20min.
With a high probability, light precipitation is predicted. The temperature is anticipated to vary between a maximum of a warm 80.6°F and a minimum of a pleasant 69.8°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is calculated to be a humid 86°F. Note that heat index values are valued for light wind and location in the shade.
The forecast high is higher and more aligned with what is typical in July than in June.
Sunrise will be at 5:33 am and sunset at 8:53 pm; tomorrow's daylight will last for 15h and 20min.
Frequently asked questions
What is the weather forecast for Belfast for tomorrow?
On Wednesday, in Belfast, rumbles of thunder are possible along with moderate rain in the afternoon.
Will it rain tomorrow?
With a probability of 56%, light precipitation of 0.28" is anticipated.
What will be the maximum temperature tomorrow?
Tomorrow, the maximum temperature will be 80.6°F, while the minimum temperature will be 69.8°F. The maximum heat index, which integrates air moisture with ambient temperature, is appraised at 86°F.
The highest temperature will be moderately higher than the average maximum of 72.5°F in June. The lowest temperature will be uncommonly higher than the average low of 52.2°F.
The highest temperature will be moderately higher than the average maximum of 72.5°F in June. The lowest temperature will be uncommonly higher than the average low of 52.2°F.
When is the sunrise / sunset tomorrow?
On Wednesday, in Belfast, sunrise will be at 5:33 am and sunset at 8:53 pm (EDT).
How many hours of daylight will Belfast have tomorrow?
In Belfast, the length of the day tomorrow will be 15h and 20min.
Hourly weather forecast
12 am
- 68°F
- Feels like:
68°F
Cloudy
- Wind: 6mph SSW
- Pressure: 29.85"Hg
- Humidity: 92%
- Precip. probability: 9%
- Precipitation: 0"
- Visibility: 6mi
2 am
- 68°F
- Feels like:
70°F
Cloudy
- Wind: 6mph SSW
- Pressure: 29.85"Hg
- Humidity: 94%
- Precip. probability: 19%
- Precipitation: 0"
- Visibility: 5mi
4 am
- 68°F
- Feels like:
70°F
Mostly Cloudy
- Wind: 4mph SSW
- Pressure: 29.83"Hg
- Humidity: 96%
- Precip. probability: 23%
- Precipitation: 0"
- Visibility: 4mi
Sunrise: 5:33 am
6 am
- 68°F
- Feels like:
70°F
Mostly Cloudy
- Wind: 4mph SSW
- Pressure: 29.83"Hg
- Humidity: 96%
- Precip. probability: 24%
- Precipitation: 0"
- Visibility: 4mi
8 am
- 70°F
- Feels like:
72°F
Mostly Cloudy
- Wind: 4mph SSW
- Pressure: 29.85"Hg
- Humidity: 93%
- Precip. probability: 21%
- Precipitation: 0"
- Visibility: 6mi
10 am
- 73°F
- Feels like:
75°F
Cloudy
- Wind: 5mph SW
- Pressure: 29.85"Hg
- Humidity: 84%
- Precip. probability: 17%
- Precipitation: 0"
- Visibility: 8mi
12 pm
- 79°F
- Feels like:
82°F
Mostly Cloudy
- Wind: 4mph SW
- Pressure: 29.85"Hg
- Humidity: 74%
- Precip. probability: 10%
- Precipitation: 0"
- Visibility: 10mi
2 pm
- 79°F
- Feels like:
82°F
Scattered Thunderstorms
- Wind: 6mph SW
- Pressure: 29.83"Hg
- Humidity: 73%
- Precip. probability: 57%
- Precipitation: 0.16"
- Visibility: 7mi
4 pm
- 79°F
- Feels like:
82°F
Showers
- Wind: 6mph WSW
- Pressure: 29.83"Hg
- Humidity: 73%
- Precip. probability: 42%
- Precipitation: 0.04"
- Visibility: 7mi
6 pm
- 79°F
- Feels like:
82°F
Showers
- Wind: 5mph SW
- Pressure: 29.8"Hg
- Humidity: 72%
- Precip. probability: 46%
- Precipitation: 0.04"
- Visibility: 7mi
8 pm
- 75°F
- Feels like:
79°F
Mostly Cloudy
- Wind: 2mph SSW
- Pressure: 29.8"Hg
- Humidity: 78%
- Precip. probability: 13%
- Precipitation: 0"
- Visibility: 10mi
Sunset: 8:53 pm
10 pm
- 72°F
- Feels like:
73°F
Partly Cloudy
- Wind: 4mph S
- Pressure: 29.83"Hg
- Humidity: 85%
- Precip. probability: 16%
- Precipitation: 0"
- Visibility: 9mi
Tomorrow, a combination of primarily dull and occasionally wet and turbulent weather is forecasted.
Rainfall is anticipated from 1 pm to 6 pm. With moderate precipitation of 0.16", most rainfall is expected at 2 pm.
The temperature will vary between the lowest temperature of 68°F and the highest temperature of 78.8°F. The warmest part of the day will be from noon to 2 pm, and from 4 pm to 6 pm.
The maximum is expected to resemble July's average high of 77.5°F rather than June's. The lowest temperature is also more resembling July's average minimum of 56.8°F than the usual minimum of 52.2°F in June.
Rainfall is anticipated from 1 pm to 6 pm. With moderate precipitation of 0.16", most rainfall is expected at 2 pm.
The temperature will vary between the lowest temperature of 68°F and the highest temperature of 78.8°F. The warmest part of the day will be from noon to 2 pm, and from 4 pm to 6 pm.
The maximum is expected to resemble July's average high of 77.5°F rather than June's. The lowest temperature is also more resembling July's average minimum of 56.8°F than the usual minimum of 52.2°F in June.
Updated: Jun 17, 2025 @ 21:09:15 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