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Boston Warm-Up: Sunny 78°F Today Amid Fire Risk Alert, Cooler Fall Weekend Ahead

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Published on September 19, 2025
Boston Warm-Up: Sunny 78°F Today Amid Fire Risk Alert, Cooler Fall Weekend AheadSource: Google Street View

Bostonians are set to enjoy a sunny end to the week with temperatures forecasted to reach a pleasant high near 78 degrees today, thanks to a northwest wind blowing at 6 to 10 mph. However, the city is also on alert for elevated fire risks, as conditions are ripe for potential wildfires. A cold front is expected to maintain dry air over the region, coupled with low humidity and wind gusts that could reach up to 25 mph, according to National Weather Service.

As we transition into the weekend, temperatures are predicted to drop, ushering in more fall-like weather. "High temperatures will soar into the mid to upper 70s," today but a cool down is anticipated for Saturday and Sunday, as NBC Boston reported. Residents can expect highs in the mid to upper 60s during the day and low temperatures that could potentially cause patchy frost in some areas on Sunday morning.

The clearer skies tonight will give way to a low around 52 degrees with a steady north wind near 7 mph, paving the way for a cooler but sunny Saturday with highs around 68 degrees. Saturday night promises mostly clear skies and a low around 49 degrees. Sunday will continue the trend with mostly sunny weather and highs near 69 degrees, perfect for any outdoor activities planned for the day.

Looking ahead, Monday—marking the first day of fall—will see temperatures climbing into the low to mid 70s. A further spike is expected on Tuesday with temperatures rising into the low 80s before chances of showers arrive late into the evening, carrying into Wednesday. Midweek showers could see partly sunny conditions with highs around 72 degrees, as per the forecast from the National Weather Service.

In terms of severe weather, the Atlantic has been under watch as Tropical Storm Gabrielle continues its churn over the open waters. Fortunately, Gabrielle is expected to strengthen into a hurricane while steering clear of Bermuda and poses no direct threat to the U.S. mainland. "Gabrielle is expected to remain a tropical storm Friday as it churns over the open waters of the Atlantic. But by the weekend, the storm is forecast to strengthen into a hurricane as it curves away from Bermuda," NBC Boston clarifies on the situation in the tropics. As always, residents are encouraged to stay informed on any updates to the weather as forecasts evolve.

Boston-Weather & Environment