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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

Wednesday, July 15 – Hot and increasingly humid

The warming trend continues, with temperatures climbing well into the 90s. Southwest to west winds and abundant sunshine could push temperatures toward the upper 90s during the afternoon. Humidity will also increase, although confidence in exact temperatures and heat index values remains lower at this range. • High: 94–97°F | Low: 71–74°F | Wind: W 7–12 mph, gusts to 21 mph • Sky: Mostly sunny • Precipitation: 10%

Tuesday, July 14 – Heat returns

A return to hot summer weather is expected as southwest winds transport increasingly warm and humid air into the region. Afternoon temperatures should reach the lower 90s, with increasing humidity making it feel somewhat hotter. • High: 90–93°F | Low: 70–73°F | Wind: SW 7–12 mph, gusts to 20 mph • Sky: Sunny • Precipitation: 0%

Monday, July 13 – Warmer but still comfortable

Sunshine continues as temperatures begin climbing again. Humidity should remain manageable for much of the day, although a southerly wind will begin transporting warmer and increasingly humid air back into southern New England. • High: 86–89°F | Low: 64–67°F | Wind: S 5–10 mph • Sky: Sunny • Precipitation: 0%

Sunday, July 12 – Pleasant summer weather

High pressure will provide another excellent summer day with abundant sunshine, low humidity, and seasonable temperatures. Winds will gradually turn onshore during the afternoon, helping keep temperatures comfortable. • High: 81–84°F | Low: 62–65°F | Wind: N becoming E 5–8 mph • Sky: Sunny • Precipitation: 0%

Saturday, July 11 – Turning cooler and less humid

A much more comfortable air mass arrives behind Friday’s cold front. Any lingering clouds early will give way to increasing sunshine, with seasonable temperatures and noticeably lower humidity during the afternoon. • High: 82–85°F | Low: 61–64°F | Wind: N 5–8 mph • Sky: Mostly sunny • Precipitation: 10%

Friday, July 10 – Humid with afternoon thunderstorms

Warm and humid conditions continue as a cold front approaches from northern New England. Clouds will increase during the day, with scattered showers and thunderstorms developing during the afternoon and continuing into the early evening. Frequent lightning and heavy downpours will be the primary concerns, and slow-moving storms could produce localized street flooding where repeated thunderstorms occur. • High: 88–91°F | Low: 65–68°F | Wind: W 5–8 mph • Sky: Increasing clouds • Precipitation: 50%

Waltham Weather Outlook: July 9 – July 16, 2026
Thursday, July 9 – Hot and humid

Seasonable warmth and moderate humidity continue with a mix of sunshine and passing clouds. Dry weather is expected. • High: 82–85°F | Low: 64–67°F | Wind: SW 5–10 mph • Sky: Partly sunny • Precipitation: 10%

Wednesday, July 8 – Seasonable

Partly sunny skies with comfortable humidity continue. A stray shower cannot be ruled out, but most of the day will be dry. • High: 81–84°F | Low: 63–66°F | Wind: W 5–10 mph • Sky: Partly sunny • Precipitation: 20%

Tuesday, July 7 – Partly sunny with a chance of showers

A weak upper-level disturbance may bring a few scattered showers during the day. Many locations will remain dry. • High: 80–83°F | Low: 63–66°F | Wind: SW 5–10 mph • Sky: Partly sunny • Precipitation: 30%

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