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Harwich Port, MA 02646 Weather

Today: Sunny, high 62°F, low 54°F. Hourly and 10-day forecast from the National Weather Service. Times are local (EDT).

Harwich Port, MA 02646 current weather

59°F

Sunny

Forecast for this hour. No recent report from a nearby station.

H 62° / L 54°

No recent station report. NWS hourly forecast updated 10/29/2026, 4:12 AM PT

Hourly forecast

NWS, updated 10/29/2026, 4:12 AM PT

  1. Now59°
  2. 11 AM61°
  3. 12 PM62°
  4. 1 PM61°
  5. 2 PM62°
  6. 3 PM61°
  7. 4 PM61°
  8. 5 PM61°
  9. 6 PM59°
  10. 7 PM57°
  11. 8 PM56°
  12. 9 PM54°
  13. 10 PM54°
  14. 11 PM55°
  15. 12 AM55°Fri
  16. 1 AM55°
  17. 2 AM55°
  18. 3 AM55°
  19. 4 AM55°
  20. 5 AM54°
  21. 6 AM55°
  22. 7 AM55°
  23. 8 AM56°
  24. 9 AM59°
  25. 10 AM60°
  26. 11 AM62°
  27. 12 PM63°
  28. 1 PM64°
  29. 2 PM64°
  30. 3 PM64°
  31. 4 PM63°
  32. 5 PM62°
  33. 6 PM60°
  34. 7 PM56°
  35. 8 PM54°
  36. 9 PM52°
  37. 10 PM50°
  38. 11 PM49°
  39. 12 AM48°Sat
  40. 1 AM46°
  41. 2 AM45°
  42. 3 AM43°
  43. 4 AM42°
  44. 5 AM41°
  45. 6 AM42°
  46. 7 AM43°
  47. 8 AM44°
  48. 9 AM47°

10-day forecast

Tap a day for details

  • Today10/29Low 54°High 62°

    Today: Sunny, with a high near 62. Southwest wind around 14 mph.

    Tonight: Mostly clear, with a low around 54. Southwest wind around 14 mph.

    Sunny
  • Fri10/30Low 40°High 64°

    Friday: Mostly sunny, with a high near 64. West wind 9 to 14 mph.

    Friday Night: Mostly clear, with a low around 40. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.

    Mostly Sunny
  • Sat10/31Low 39°High 52°

    Saturday: Sunny, with a high near 52. North wind 7 to 14 mph.

    Saturday Night: Mostly clear, with a low around 39. Northwest wind 1 to 5 mph.

    Sunny
  • Sun11/1Low 46°High 56°

    Sunday: Mostly sunny, with a high near 56. West wind 3 to 9 mph.

    Sunday Night: Partly cloudy, with a low around 46. Southwest wind around 8 mph.

    Mostly Sunny
  • Mon11/210% chance of precipitationLow 48°High 60°

    Monday: Mostly sunny, with a high near 60. Southwest wind 8 to 12 mph.

    Monday Night: Partly cloudy, with a low around 48. West wind 5 to 9 mph.

    Mostly Sunny
  • Tue11/315% chance of precipitationLow 47°High 58°

    Tuesday: Mostly sunny, with a high near 58. Northeast wind 7 to 13 mph.

    Tuesday Night: A slight chance of rain showers after 4am. Mostly cloudy, with a low around 47. East wind around 10 mph.

    Mostly Sunny
  • Wed11/429% chance of precipitationLow 49°High 60°

    Wednesday: A slight chance of rain showers. Partly sunny, with a high near 60. Southeast wind 10 to 14 mph.

    Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 49. Southeast wind around 10 mph.

    Slight Chance Rain Showers
  • Thu11/5Model blend43% chance of precipitationLow 50°High 63°

    Thursday: Partly cloudy, slight chance of rain. High near 63°. Low that night near 50°. About 0.21 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Fri11/6Model blend43% chance of precipitationLow 44°High 62°

    Friday: Chance of rain. High near 62°. Low that night near 44°. About 0.86 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blend30% chance of precipitationLow 40°High 57°

    Saturday: Chance of rain. High near 57°. Low that night near 40°. About 0.09 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 41.671, -70.069 from the NWS BOX office, updated 10/29/2026, 4:12 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KHYA (Hyannis/Barnstable Muni, 10 mi), model run 10/29/2026, 4:00 AM EDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now59°Sunny1%12 mph
  2. 11 AM61°Sunny1%12 mph
  3. 12 PM62°Sunny1%13 mph
  4. 1 PM61°Sunny1%13 mph
  5. 2 PM62°Sunny1%14 mph
  6. 3 PM61°Sunny1%14 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in Harwich Port, MA 02646?
The National Weather Service forecast for today calls for a high near 62°F. Sunny.
Will it rain in Harwich Port, MA 02646 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Harwich Port, MA 02646?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 5 to Nov 7) come from the NOAA National Blend of Models, with highs of 57°F to 63°F and up to a 43% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in Harwich Port, MA 02646 today?
Sunrise is about 7:09 AM EDT and sunset is about 5:38 PM EDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Harwich Port, MA 02646?
At W Harwich, the 1991 to 2020 normal high in October is 62°F and the normal low is 47°F.

Nearby hazards

Massachusetts hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: Route 3 Fire (0 acres), Hathaway Pond Fire (0 acres)

UV and air quality forecast

EPA and AirNow

AQI forecast today (Cape Cod and Islands)
50GoodPM2.5
AQI forecast tomorrow (Cape Cod and Islands)
45GoodPM2.5

UV index guide · Air quality

Drought

By county

Barnstable County, week of 10/20/2026

46% of the county is in moderate drought or worse.

Tides nearby

NOAA tide stations

Beaches nearby

EPA BEACON beaches

Sun and moon

Local time, center of the area

Sunrise
7:09 AM
Sunset
5:38 PM
Daylight
10 hr 30 min
Moon
Waning Gibbous 87% lit
First light (civil dawn)
6:40 AM
Last light (civil dusk)
6:07 PM
Moonrise
7:58 PM
Moonset
11:23 AM

Normal October weather

Climate

Normal October high 62°, low 47°, precipitation 4.72 in for the month. 1991 to 2020 normals at W Harwich, 2 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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