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Showers And Thunderstorms A Threat Overnight

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London, GB
1:48 pm, Aug 18, 2026
weather icon 76°C | °F
L: 75° H: 78°
overcast clouds
Humidity: 64 %
Pressure: 1010 hPa
12 mph W
Wind Gust: 0 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 4:00 pmAug 18, 2026
weather icon
77° / 80°°C | °F 0 inch 0% 12 mph 57 % 1010 hPa 0 mm/h
Today 7:00 pmAug 18, 2026
weather icon
77° / 78°°C | °F 0 inch 0% 9 mph 45 % 1009 hPa 0 mm/h
Today 10:00 pmAug 18, 2026
weather icon
71° / 71°°C | °F 0 inch 0% 9 mph 46 % 1010 hPa 0 mm/h
WeatherTap

UPDATED 08/12/26 4:25 AM

An unsettled and tropical weather pattern will continue through the week.  Tropical thunderstorms will be capable of heavy downpours, frequent lightning, and wind gusts between 40 and 75 mph.  Flash flooding will be a threat with these thunderstorms.

TONIGHT

A stationary front will produce scattered showers and thunderstorms.  Winds will be from the west at 5 to 10 mph.  Low temperatures will range from the lower to mid-60s over the interior, mid to upper 60s in the suburbs, and upper 60s to lower 70s in urban areas.

TOMORROW

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

TOMORROW NIGHT

A stationary front will produce variable clouds and widely scattered showers.  Winds will be from the west at 5 to 10 mph.  Low temperatures will range from the lower to mid-60s over the interior and from the upper 60s to the lower 70s along the coast.

FRIDAY

A stationary front will produce scattered showers in the morning, followed by clearing skies in the afternoon.  Winds will veer to the northwest at 5 to 10 mph.  High temperatures will range from the lower to mid-80s over the interior and Long Island, and from the mid to upper 80s along the I-95 corridor.

SATURDAY

High pressure will produce scattered clouds.  Winds will veer to the northeast at around 5 mph.  Low temperatures will range from the lower to mid-60s over the interior and from the upper 60s to the lower 70s along the coast.  High temperatures will range from the lower to mid-80s over the interior and Long Island, mid to upper 80s in the New York City metropolitan area, and upper 80s to lower 90s in the Philadelphia metropolitan area.

SUNDAY

High pressure will exit the region with scattered clouds.  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-80s over the interior and Long Island, and from the mid to upper 80s along the I-95 corridor.

MONDAY

A cold front will produce waves of showers and thunderstorms.  Low temperatures will range from the lower to mid-70s.  High temperatures will range from the lower to mid-80s over the interior, mid to upper 80s in the New York City metropolitan area and Long Island, and lower to mid-90s in the Philadelphia metropolitan area.

TUESDAY

High pressure will produce scattered clouds.  Low temperatures will range from the mid- to upper 60s over the interior to the lower to mid-70s along the coast.  High temperatures will range from the upper 70s to the lower 80s over the interior, the lower to mid-80s in the New York City metropolitan area and Long Island, and the upper 80s to lower 90s in the Philadelphia metropolitan area.

WEDNESDAY

High pressure will produce scattered clouds.  Low temperatures will range from the upper 50s to lower 60s over the interior, mid to upper 60s in the suburbs, and upper 60s to lower 70s in urban areas.  High temperatures will range from the upper 70s to the lower 80s over the interior, the lower to mid-80s in the New York City metropolitan area and Long Island, and the upper 80s to lower 90s in the Philadelphia metropolitan area.

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