Weekly Outlook: July 19-25, 2021

We’ve got good news and bad news this week. The good news is that we will have a few dry days this week. The bad news is that there’s more rain on the way.

An upper-level disturbance will cross the region today, which means more clouds and more showers, though the day shouldn’t be a washout. Rainfall totals should be on the light side, which will be a welcome change from the weekend. The cloud cover will keep temperatures on the cool side during the daytime. High pressure then builds in for Tuesday with warmer and more humid conditions. It’s tempting to say that we’ll have a dry day, but it wouldn’t surprise us if a few showers and thunderstorms developed in the afternoon or evening, especially well north and west of Boston. By Wednesday, we’ll have a better chance for showers and storms as a cold front approaches the region. In fact, some of the storms that do develop could become strong, with gusty winds and heavy downpours possible (just what we need – more heavy rain!)

Temperatures could get close to 90 across the region on Tuesday. Image provided by Weathermodels.com

High pressure builds in behind the front on Thursday with cooler and drier conditions, but again, we can’t completely rule out an isolated shower or two during the afternoon. By Friday, another upper-level low pressure area moves in with more clouds and some showers possible, though the extent of the shower activity is still a question mark. Saturday looks to be drier with high pressure trying to build in, but it won’t last long. Sunday could be a bit more unsettled as another system could bring in more widespread showers and thunderstorms, but the timing of this system is in question, as the activity could hold off until Sunday night or Monday.

The models don’t agree on the timing for a storm system that may impact the region on Sunday. Images provided by Pivotal Weather.

Monday: Drizzle and fog early, otherwise plenty of clouds with a few showers possible. High 71-78.

Monday night: Clearing. Low 61-68.

Tuesday: Sunshine and some afternoon clouds, maybe a late-day shower or thunderstorm. High 81-88.

Tuesday night: Partly cloudy, chance for a shower or two. Low 63-70.

Wednesday: Intervals of clouds and sunshine with showers and thunderstorms likely during the afternoon and evening, some of which could be quite strong. High 76-83.

Thursday: Partly sunny, an isolated shower is possible. High 74-81.

Friday: A mix of sun and clouds with showers possible. High 72-79.

Saturday: Partly to mostly sunny. High 73-80.

Sunday: Mostly cloudy with showers and thunderstorms possible. High 72-79.

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