South Dennis, MA Weather Forecast for 5-Days

Updated: Sat Jun 6th 2026 10:30 PM EDT

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South Dennis, MA Weather – 6-6 – Sunny
77° / 60°
Sunny
In South Dennis, bright and sunny conditions with highs near 77°F and lows around 60°F. There's a very small chance of rainfall, only about 3%. Winds will be strong at speeds peaking at 21mph and gusts of 30mph at 11 PM. The humidity will be on the higher side, averaging about 77%, the maximum being 81% at 11 PM and 81% being its lowest at 11 PM. Barometric pressure is its highest of 29.72inHg at 11 PM, a lowest point of 29.72inHg at 11 PM with an avg 29.72inHg.
South Dennis, MA Weather – 6-7 – Scattered Showers
71° / 55°

Weather Tomorrow

Scattered Showers
South Dennis could see passing showers with daytime highs of 71°F and nighttime lows near 55°F. The chance of rain is 77% with an estimated 0.16in. Winds will be strong at speeds peaking at 24mph and gusts of 32.9mph at 1 AM. High humidity with average of 82% is anticipated, the maximum being 97% at 5 AM and 67% being its lowest at 12 PM. Barometric pressure is its highest of 29.96inHg at 11 PM, a lowest point of 29.69inHg at 12 AM with an avg 29.75inHg.
South Dennis, MA Weather – 6-8 – Sunny
63° / 56°
Sunny
Highs will reach 63°F with lows near 56°F in South Dennis, where sunshine is. There's a very small chance of rainfall, only about 2%. Winds will be strong at speeds peaking at 22mph and gusts of 28.8mph at 12 AM. The humidity will be on the higher side, averaging about 68%, the maximum being 82% at 3 AM and 55% being its lowest at 3 PM. Barometric pressure is its highest of 30.2inHg at 11 PM, a lowest point of 29.97inHg at 12 AM with an avg 30.12inHg.
South Dennis, MA Weather – 6-9 – Sunny
73° / 59°
Sunny
South Dennis could see sunshine with daytime highs of 73°F and nighttime lows near 59°F. There's a very small chance of rainfall, only about 1%. Winds will be strong at speeds peaking at 21mph and gusts of 35.3mph at 7 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 79% at 5 AM and 50% being its lowest at 4 PM. Barometric pressure is its highest of 30.19inHg at 12 AM, a lowest point of 30inHg at 6 PM with an avg 30.09inHg.
South Dennis, MA Weather – 6-10 – Scattered Showers
70° / 63°
Scattered Showers
Highs will reach 70°F with lows near 63°F in South Dennis, where scattered showers are. Rainfall predicted to have a 73% chance with an estimated 0.13in. Winds will be strong at speeds peaking at 21mph and gusts of 33.1mph at 12 AM. High humidity with average of 81% is anticipated, the maximum being 96% at 11 PM and 71% being its lowest at 10 AM. Barometric pressure is its highest of 30inHg at 12 AM, a lowest point of 29.85inHg at 6 PM with an avg 29.92inHg.
South Dennis, MA Weather – 6-11 – Scattered Showers
67° / 58°
Scattered Showers
In South Dennis, showers likely at times with highs near 67°F and lows around 58°F. The chance of rain is 94% with an estimated 0.12in. Wind will be moderate, blowing around 16mph on average and gusts of 26.3mph at 4 AM. High humidity with average of 96% is anticipated, the maximum being 98% at 6 AM and 91% being its lowest at 5 PM. Barometric pressure is its highest of 29.91inHg at 10 PM, a lowest point of 29.8inHg at 5 AM with an avg 29.84inHg.

Currently

Clear 65°F
29.73 inHg.
Barometer
81%
Humidity
SW 32.4 mph
Wind
Clear

5 Day Forecast Nearby

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