Boston 25 Weather

Extreme heat this week

HEAT BUILDING THIS WEEK

It will be a mild night with areas of fog developing. Temperatures stay comfortable with lows mainly in the 60s. Monday starts the week on a nice note with sunshine, lower humidity, and pleasant conditions. Highs climb into the 80s inland, while cooler ocean temperatures keep the coast in the 70s.

Tuesday turns hotter with temperatures reaching 90 degrees for many locations. Humidity starts to creep up, and a few isolated afternoon thunderstorms are possible, but most of the day stays dry.

DANGEROUS HEAT WEDNESDAY THROUGH FRIDAY

An Excessive Heat Watch is in effect Wednesday morning through Friday evening as a prolonged stretch of extreme heat and humidity moves in. Heat index values will climb to near 110 degrees at times, creating dangerous conditions, especially for those spending extended time outdoors.

Wednesday will feature highs in the mid 90s with increasing humidity. The hottest day of the week arrives Thursday as temperatures approach 100 degrees away from the immediate coastline. Friday stays brutally hot with highs in the upper 90s, along with the chance for scattered thunderstorms as a front starts to approach.

4TH OF JULY OUTLOOK

It is still early, but the latest forecast keeps the heat around for the 4th of July. Temperatures are expected to remain in the 90s with the potential for a few afternoon thunderstorms. Keep checking the forecast as timing for storms and any relief from the heat becomes clearer.

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