Osterville, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Jun 17 		Partly Cloudy
Close Hourly 		73º / 61º 2% SSW 11 mph 68%
4am Partly Cloudy 59º 2% SW 3 mph 88%
5am Partly Cloudy 59º 2% SW 2 mph 90%
6am Mostly Cloudy 60º 2% SSW 3 mph 89%
7am Cloudy 64º 2% SSW 4 mph 81%
8am Cloudy 66º 2% SSW 5 mph 74%
9am Partly Cloudy 69º 1% SSW 6 mph 68%
10am Partly Cloudy 71º 1% SSW 7 mph 63%
11am Sunny 71º 1% S 9 mph 63%
12pm Sunny 72º 1% S 9 mph 58%
1pm Partly Cloudy 72º 0% S 10 mph 55%
2pm Mostly Sunny 72º 0% S 10 mph 55%
3pm Sunny 72º 0% S 11 mph 54%
4pm Sunny 71º 0% S 10 mph 53%
5pm Mostly Sunny 71º 1% S 10 mph 53%
6pm Partly Cloudy 70º 1% S 9 mph 57%
7pm Partly Cloudy 68º 2% S 8 mph 64%
8pm Mostly Sunny 65º 3% S 8 mph 71%
9pm Partly Cloudy 64º 9% S 6 mph 75%
10pm Mostly Cloudy 63º 14% S 6 mph 80%
11pm Partly Cloudy 63º 12% S 6 mph 81%
Thu
Jun 18 		PM Showers/Wind
View Hourly 		72º / 65º 37% S 23 mph 81%
12am Mostly Cloudy 62º 9% S 6 mph 83%
1am Partly Cloudy 62º 12% S 6 mph 83%
2am Partly Cloudy 62º 14% S 6 mph 85%
3am Partly Cloudy 62º 15% S 6 mph 85%
4am Cloudy 62º 14% SSE 6 mph 86%
5am Cloudy 62º 14% SSE 7 mph 87%
6am Cloudy 62º 17% SSE 8 mph 87%
7am Cloudy 65º 16% SSE 10 mph 83%
8am Cloudy 66º 19% SSE 13 mph 79%
9am Cloudy 67º 20% SSE 15 mph 78%
10am Cloudy 68º 15% SSE 15 mph 78%
11am Cloudy 69º 18% SSE 17 mph 79%
12pm Cloudy 70º 7% SSE 18 mph 77%
1pm Cloudy/Wind 71º 23% SSE 20 mph 76%
2pm Cloudy/Wind 71º 8% S 22 mph 78%
3pm Cloudy/Wind 72º 15% S 23 mph 79%
4pm Showers/Wind 71º 35% S 23 mph 85%
5pm Showers/Wind 71º 36% S 22 mph 87%
6pm Showers/Wind 71º 38% SSW 21 mph 88%
7pm Mostly Cloudy 71º 23% SSW 19 mph 88%
8pm Mostly Cloudy 70º 17% SW 17 mph 89%
9pm Mostly Cloudy 70º 17% SW 15 mph 90%
10pm Mostly Cloudy 69º 17% SW 13 mph 90%
11pm Mostly Cloudy 69º 8% SW 12 mph 88%
Fri
Jun 19 		Partly Cloudy
View Hourly 		76º / 64º 4% WSW 19 mph 61%
12am Mostly Cloudy 68º 13% WSW 11 mph 88%
1am Partly Cloudy 68º 8% WSW 8 mph 87%
2am Mostly Cloudy 69º 8% WSW 7 mph 84%
3am Partly Cloudy 69º 13% WSW 7 mph 81%
Sat
Jun 20 		Mostly Sunny 79º / 62º 5% W 17 mph 49%
Sun
Jun 21 		Mostly Sunny 77º / 62º 24% W 10 mph 55%
Mon
Jun 22 		Rain 73º / 62º 66% S 14 mph 71%
Tue
Jun 23 		AM Showers 74º / 62º 57% WNW 14 mph 72%
Wed
Jun 24 		Partly Cloudy 77º / 62º 12% WSW 10 mph 61%

Weather Radar for Osterville, MA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Osterville, MA

Wednesday
High : 75ºF
Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. Seas 1 ft or less.
Wednesday Night
Low : 62ºF
Variable winds 5 kt or less. Patchy fog after 2am. Seas 1 ft or less.
Thursday
High : 77ºF
SSE wind 7 to 10 kt increasing to 13 to 16 kt in the afternoon. Winds could gust as high as 30 kt. A chance of showers, mainly after 5pm. Patchy fog before 9am. Seas 1 ft or less.
Thursday Night
Low : 69ºF
SSW wind 10 to 13 kt becoming WSW 6 to 9 kt after midnight. Winds could gust as high as 23 kt. A chance of showers, mainly before 7pm. Patchy fog before 9pm. Seas 1 ft or less.
Juneteenth
High : 80ºF
WSW wind 7 to 10 kt increasing to 10 to 13 kt in the afternoon. Winds could gust as high as 23 kt. Mostly sunny. Seas 1 ft or less.
Friday Night
Low : 67ºF
W wind 6 to 9 kt. Mostly clear. Seas 1 ft or less.
Saturday
High : 84ºF
WSW wind 10 to 13 kt, with gusts as high as 23 kt. Sunny. Seas 1 ft or less.
Saturday Night
Low : 65ºF
W wind around 8 kt. Mostly clear. Seas 1 ft or less.
Sunday
High : 79ºF
WNW wind around 9 kt becoming WSW in the afternoon. Sunny. Seas 1 ft or less.

NOAA Buoy Data Near Osterville, MA See Map

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    Wind Speed Forecast for Osterville, MA

    WednesdayThursdayFriday
    Wind Speed (MPH) 359108661318231711
    8am12pm4pm8pm12am4am8am12pm4pm8pm12am4am
    MPH 359108661318231711
    DIR SWSSWSSSSSSESSESSESSWWSW

    Current Weather Conditions In Osterville, MA

    As Of: 18 minutes ago

    • 59ºF
    • 59ºF
    • 3mph
    • 0º (SW)
    • 3mph
    • Partly Cloudy
    • 10mi
    • 29.84"
    • 88%
    • 0ºF

    The weather right now in Osterville, MA is Partly Cloudy. The current temperature is 59°F, and the expected high and low for today, Wednesday, June 17, 2026, are 73° high temperature and 61°F low temperature. The wind is currently blowing at 3 miles per hour, and coming from the Southwest. The wind is gusting to 3 mph. With the wind and the atmosphere the temperature feels like 59° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 88 percent, and air pressure at 29.84 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 3:18am Wed Jun 17 2026

    ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM THURSDAY TO 1 AM EDT FRIDAY...

    WHAT: South winds 15 to 25 kt with gusts up to 30 kt and seas
    3 to 5 feet expected.

    WHERE: Nantucket Sound and Vineyard Sound.

    WHEN: From 11 AM Thursday to 1 AM EDT Friday.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&