In fact, Boston's all-time highest temperature on record of 104 degrees was set on the 4th of July! Partly sunny Saturday with highs in the upper 80s, with a slight chance of a thunderstorm. Highs are going to be lower-90's on Saturday then mid-90's on Sunday with "feels-like" temperature near 102.
A warm front crossing New Hampshire is bringing humidity, rising temperatures and storm chances into the forecast to start the holiday weekend. Muggy lows will end up close to 70 degrees by daybreak Friday.
Look for showers and storms overnight Friday, but after the sun sets, the lack of heating means the severe storm threat is over. Up to a half-inch of rain is expected for Cleveland.
Thursday will be cloudy to partly sunny, with a risk of a PM shower or storm.
Tuesday: Partly sunny. Chance for a shower or thunderstorm. Less than a tenth of an inch of rain is expected, and the low will be around 70. Friday readings touch the lower 90s for many, with an isolated thunderstorm or two possible. It will be mostly dry, but a stray afternoon shower can not be completely ruled out.
With a warm and humid air mass in place in addition to an advancing cold front, we're seeing unstable conditions as showers and thunderstorms push through the area.
This morning expect patchy fog and perhaps a couple of mountain showers, followed by a mix of clouds and sunshine and highs in the middle to upper 80s.
TOMORROW/FRIDAY: A deep layer of moisture will expand northward, meaning scattered showers and storms are a good possibility statewide. Southwest wind around 5 miles per hour. Sunday's high will reach a balmy 89. Chance of precipitation is 30%. Comfortable overnight lows will be in the 50s and 60s.
Heading into the 4th Monday night, lows will be in the 60s, that's cool and comfortable under continued clearing.