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Frontal Boundary Slowly Sinks South Tonight With Waves Of Thunderstorms

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London, GB
8:45 am, Aug 18, 2026
weather icon 69°C | °F
L: 67° H: 70°
overcast clouds
Humidity: 82 %
Pressure: 1011 hPa
9 mph WNW
Wind Gust: 17 mph
Precipitation: 0 inch
Dew Point: 0°
Clouds: 100%
Rain Chance: 0%
Snow: 0 mm/h
Visibility: 6 mi
Air Quality:
Sunrise: 5:50 am
Sunset: 8:18 pm
Daily Forecast Hourly Forecast
Today 10:00 amAug 18, 2026
weather icon
69° / 70°°C | °F 0.01 inch 20% 8 mph 82 % 1012 hPa 0 mm/h
Today 1:00 pmAug 18, 2026
weather icon
71° / 76°°C | °F 0.01 inch 20% 12 mph 73 % 1012 hPa 0 mm/h
Today 4:00 pmAug 18, 2026
weather icon
78° / 82°°C | °F 0 inch 0% 12 mph 50 % 1010 hPa 0 mm/h
From WeatherTap

A frontal boundary will slowly sink south with waves of showers and thunderstorms through tomorrow.  More rainfall will return by Sunday night.

TONIGHT

A stationary front will produce cloudy skies and isolated showers over the northern interior.  Scattered clouds will be found along the coast.  Winds will be from the southwest at 5 to 10 mph.  Low temperatures will range from the lower to mid-60s.

TOMORROW

A cold front will produce scattered showers and thunderstorms.  Winds will be from the southwest at 5 to 10 mph.  High temperatures will range from the mid to upper 70s along the coast, lower to mid-80s on the I-95 corridor, and mid to upper 70s along the interior.

TOMORROW NIGHT

High pressure will produce scattered clouds.  Winds will be from the northwest at 5 to 10 mph.  Low temperatures will range from the mid to upper 50s over the interior and lower to mid-60s along the coast.

SUNDAY

A warm front will approach with increasing clouds and scattered showers towards evening.  An area of low pressure will produce heavy rainfall by the late evening.  Winds will veer to the east at 5 to 15 mph.  High temperatures will range from the lower to mid-70s along the coast, lower to mid-70s on the I-95 corridor, and mid to upper 60s over the interior.

MONDAY

An area of low pressure will lift through the region with periods of rain in the morning, followed by clearing skies.  Winds will be from the west at 5 to 10 mph.  Low temperatures will range from the upper 50s to the lower 60s over the interior, lower to mid-60s in the suburbs, and mid to upper 60s in urban areas.  High temperatures will range from the mid to upper 70s on Long Island, upper 70s to lower 80s along the coast, lower to mid-80s on the I-95 corridor, and upper 70s to lower 80s over the interior.

TUESDAY

A cold front will move through the region with scattered showers and thunderstorms.  Low temperatures will range from the lower to mid-60s over the interior and mid to upper 60s along the coast.  High temperatures will range from the lower to mid-70s on Long Island, upper 70s to lower 80s along the coast, lower to mid-80s on the I-95 corridor, and mid to upper 70s over the interior.

WEDNESDAY

High pressure will produce scattered clouds.  Low temperatures will range from the upper 50s to the lower 60s over the interior and the lower to mid-60s along the coast.  High temperatures will range from the lower to mid-70s over the interior, upper 70s to lower 80s on the I-95 corridor, and mid to upper 70s along the coast.

THURSDAY

High pressure will produce scattered clouds.  Low temperatures will range from the upper 50s to the lower 60s over the interior and the lower to mid-60s along the coast.  High temperatures will range from the mid to upper 70s over the interior and lower to mid-80s along the coast.

FRIDAY

High pressure will produce scattered clouds.  Low temperatures will range from the mid to upper 50s over the interior and upper 50s to lower 60s along the coast.  High temperatures will range from the mid to upper 70s over the interior and lower to mid-80s along the coast.

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