Osterville, MA Weather Tomorrow

Follow tomorrow's Osterville weather with an accurate 5 day outlook that includes precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill for the Osterville area and around Barnstable county, Massachusetts.
Updated: Thu Sep 17th 2026 12:00 PM EDT
Osterville, MA Weather – 9-17 – Sunny
75° / 64°
Sunny
Bright and sunny conditions in Osterville, with a high of 75°F and a low of 64°F. There might be light rainfall having a 23% chance with an estimated 0.01in. Wind will be moderate, blowing around 13mph on average and gusts of 24.6mph at 11 PM. High humidity with average of 82% is anticipated, the maximum being 87% at 10 PM and 68% being its lowest at 1 PM. Barometric pressure is its highest of 30.22inHg at 1 PM, a lowest point of 30.1inHg at 11 PM with an avg 30.15inHg.
Osterville, MA Weather – 9-18 – Overcast
70° / 63°

Weather Tomorrow

Overcast
Daytime highs will reach 70°F with lows dropping to 63°F in Osterville, where it will be overcast. Rainfall predicted to have a 68% chance with an estimated 0.08in. Wind will be moderate, blowing around 19mph on average and gusts of 26.6mph at 1 AM. High humidity with average of 81% is anticipated, the maximum being 96% at 7 AM and 57% being its lowest at 11 PM. Barometric pressure is its highest of 30.16inHg at 11 PM, a lowest point of 29.98inHg at 6 AM with an avg 30.03inHg.
Osterville, MA Weather – 9-19 – Overcast
61° / 55°
Overcast
Daytime highs will reach 61°F with lows dropping to 55°F in Osterville, where it will be overcast. There might be light rainfall having a 11% chance. Wind will be moderate, blowing around 19mph on average and gusts of 23.5mph at 12 AM. Humidity levels should be comfortable, sitting around 57% on average, the maximum being 66% at 11 PM and 52% being its lowest at 12 AM. Barometric pressure is its highest of 30.29inHg at 11 AM, a lowest point of 30.17inHg at 12 AM with an avg 30.25inHg.
Osterville, MA Weather – 9-20 – Light Rain Shower
67° / 53°
Light Rain Shower
Osterville is set for rain showers with temperatures peaking at 67°F and dipping to 53°F. The chance of rain is 87% with an estimated 0.69in. Wind will be moderate, blowing around 18mph on average and gusts of 31.5mph at 4 PM. High humidity with average of 82% is anticipated, the maximum being 97% at 10 PM and 63% being its lowest at 3 AM. Barometric pressure is its highest of 30.25inHg at 12 AM, a lowest point of 29.77inHg at 9 PM with an avg 30.06inHg.
Osterville, MA Weather – 9-21 – Scattered Showers
61° / 57°
Scattered Showers
Daytime highs will reach 61°F with lows dropping to 57°F in Osterville, where on and off showers are set to occur. There's a moderate 29% chance of rainfall with an estimated 0.01in. Winds will be strong at speeds peaking at 30mph and gusts of 37mph at 1 AM. The humidity will be on the higher side, averaging about 75%, the maximum being 97% at 12 AM and 64% being its lowest at 11 PM. Barometric pressure is its highest of 30.24inHg at 11 PM, a lowest point of 29.85inHg at 12 AM with an avg 30.1inHg.
Osterville, MA Weather – 9-22 – Overcast
61° / 56°
Overcast
In Osterville, it will be overcast with highs near 61°F and lows around 56°F. Rainfall predicted to have a 62% chance with an estimated 0.07in. Wind will be moderate, blowing around 15mph on average and gusts of 17.9mph at 8 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 82% at 11 PM and 60% being its lowest at 11 AM. Barometric pressure is its highest of 30.35inHg at 11 PM, a lowest point of 30.24inHg at 12 AM with an avg 30.3inHg.

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