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Author

Matthew Moll

Matthew Moll is a degreed meteorologist, founder of New England Weather Consulting, and a member of both the American Meteorological Society (AMS) and National Weather Association (NWA). He provides hyper-local, science-backed forecasts for communities across Massachusetts.

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Matthew's Latest Articles

Monday, July 6 – Pleasant and seasonable

High pressure remains in control, providing another day of sunshine, comfortable humidity, and seasonable temperatures. • High: 81–84°F | Low: 62–65°F | Wind: Light becoming S 5–10 mph • Sky: Mostly sunny • Precipitation: 0%

Sunday, July 5 – Comfortable summer weather

A refreshing air mass arrives behind the cold front. Sunshine, lower humidity, and pleasant temperatures make for an excellent summer day. • High: 81–84°F | Low: 61–64°F | Wind: NW 5–10 mph • Sky: Mostly sunny • Precipitation: 0%

Saturday, July 4 – Hot with scattered thunderstorms

Temperatures remain well above normal ahead of an approaching cold front, although they should be slightly lower than previous days. Partly sunny with scattered afternoon and evening showers and thunderstorms. Some storms may become strong, producing damaging wind gusts. • High: 90–94°F | Low: 67–70°F | Wind: W 5–15 mph • Sky: Partly sunny • Precipitation: 40%

Friday, July 3 – Peak of the heat wave

Very little change is expected. Temperatures remain in the upper 90s with dew points in the 70s, resulting in heat index values exceeding 100°F once again. A few thunderstorms may develop late in the day or during the evening, with a few capable of producing damaging winds. • High: 96–99°F | Low: 74–77°F | Wind: WSW 5–10 mph • Sky: Mostly sunny becoming partly cloudy • Precipitation: 30%

Waltham Weather Outlook: July 3 – July 9, 2026
Thursday, July 2 – Warm and mainly dry

The ridge begins to weaken slightly, but most guidance continues to favor another warm day with a blend of sunshine and passing clouds. An isolated afternoon thunderstorm cannot be ruled out. • High: 87–91°F | Low: 68–71°F | Wind: SW 5–10 mph • Sky: Partly sunny • Precipitation: 20%

Wednesday, July 1 – Continued hot

Little change is expected as the warm pattern persists. Afternoon temperatures again approach or exceed 90 degrees with moderate humidity. • High: 89–93°F | Low: 68–71°F | Wind: SE 5–10 mph • Sky: Mostly sunny • Precipitation: 10%

Tuesday, June 30 – Hot summer day

Temperatures climb into the lower 90s for many locations with a mix of sunshine and a few fair-weather clouds. Humidity will become more noticeable during the afternoon. • High: 89–92°F | Low: 67–70°F | Wind: S 5–10 mph • Sky: Mostly sunny • Precipitation: 10%

Monday, June 29 – Warmer with plenty of sunshine

The warming trend continues as high pressure remains in control. Humidity begins to increase slightly, but conditions remain generally comfortable. • High: 85–89°F | Low: 64–67°F | Wind: Light becoming SE 5–10 mph • Sky: Mostly sunny • Precipitation: 0%

Sunday, June 28 – Beautiful summer weather

High pressure settles over the Northeast, bringing abundant sunshine, comfortable humidity, and pleasant temperatures. An excellent day for outdoor activities. • High: 81–85°F| Low: 61–64°F | Wind: NE 5–10 mph • Sky: Mostly sunny • Precipitation: 0%

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