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Castine, ME 04617 Weather

It is 65°F and mostly cloudy in Castine, ME 04617, observed at 2:56 PM EDT. Today: Mostly Sunny, high 68°F, low 33°F. Hourly and 7-day forecast from the National Weather Service. Times are local (EDT).

Castine, ME 04617 current weather

65°F

Mostly Cloudy

H 68° / L 33°Feels like 65°

Observed at Bar Harbor, Hancock County-Bar Harbor Airport (18.8 mi away), 10/30/2026, 2:56 PM EDT

Hourly forecast

NWS, updated 10/30/2026, 1:02 PM PT

  1. Now64°
  2. 5 PM61°
  3. 6 PM58°
  4. 7 PM54°
  5. 8 PM49°
  6. 9 PM47°
  7. 10 PM47°
  8. 11 PM46°
  9. 12 AM44°Sat
  10. 1 AM42°
  11. 2 AM41°
  12. 3 AM40°
  13. 4 AM37°
  14. 5 AM36°
  15. 6 AM34°
  16. 7 AM33°
  17. 8 AM35°
  18. 9 AM38°
  19. 10 AM42°
  20. 11 AM43°
  21. 12 PM45°
  22. 1 PM45°
  23. 2 PM46°
  24. 3 PM46°
  25. 4 PM46°
  26. 5 PM44°
  27. 6 PM42°
  28. 7 PM41°
  29. 8 PM38°
  30. 9 PM37°
  31. 10 PM35°
  32. 11 PM34°
  33. 12 AM33°Sun
  34. 1 AM33°
  35. 1 AM32°
  36. 2 AM32°
  37. 3 AM31°
  38. 4 AM30°
  39. 5 AM30°
  40. 6 AM30°
  41. 7 AM32°
  42. 8 AM37°
  43. 9 AM42°
  44. 10 AM47°
  45. 11 AM48°
  46. 12 PM50°
  47. 1 PM52°
  48. 2 PM51°

7-day forecast

Tap a day for details

  • Today10/30Low 33°High 68°

    This Afternoon: Mostly sunny. High near 68, with temperatures falling to around 61 in the afternoon. Northwest wind around 15 mph, with gusts as high as 31 mph.

    Tonight: Mostly clear, with a low around 33. Northwest wind 12 to 15 mph, with gusts as high as 32 mph.

    Mostly Sunny
  • Sat10/31Low 30°High 47°

    Saturday: Sunny, with a high near 47. Northwest wind 7 to 13 mph, with gusts as high as 23 mph.

    Saturday Night: Mostly clear, with a low around 30. Northwest wind 2 to 6 mph.

    Sunny
  • Sun11/1Low 41°High 53°

    Sunday: Sunny, with a high near 53. West wind 3 to 10 mph.

    Sunday Night: Mostly clear, with a low around 41. West wind around 5 mph.

    Sunny
  • Mon11/2Low 46°High 62°

    Monday: Sunny, with a high near 62. West wind 3 to 9 mph.

    Monday Night: Partly cloudy, with a low around 46.

    Sunny
  • Tue11/317% chance of precipitationLow 44°High 57°

    Tuesday: Partly sunny, with a high near 57.

    Tuesday Night: A slight chance of rain after 3am. Mostly cloudy, with a low around 44. Chance of precipitation is 20%.

    Partly Sunny
  • Wed11/419% chance of precipitationLow 48°High 58°

    Wednesday: A slight chance of rain. Partly sunny, with a high near 58. Chance of precipitation is 20%.

    Wednesday Night: A slight chance of rain. Mostly cloudy, with a low around 48. Chance of precipitation is 20%.

    Slight Chance Light Rain
  • Thu11/551% chance of precipitationLow 50°High 59°

    Thursday: A slight chance of rain. Partly sunny, with a high near 59. Chance of precipitation is 20%.

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 50.

    Slight Chance Light Rain

Forecast for 44.366, -68.729 from the NWS CAR office, updated 10/30/2026, 1:02 PM PT · Official forecast on weather.gov

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. Now64°Mostly Sunny0%15 mph
  2. 5 PM61°Mostly Sunny0%15 mph
  3. 6 PM58°Partly Cloudy0%15 mph
  4. 7 PM54°Mostly Clear0%14 mph
  5. 8 PM49°Mostly Clear0%12 mph
  6. 9 PM47°Mostly Clear0%12 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 weather in Castine, ME 04617 right now?
The latest observation from Bar Harbor, Hancock County-Bar Harbor Airport was 65°F and mostly cloudy, reported at 10/30/2026, 2:56 PM EDT.
What is the high temperature today in Castine, ME 04617?
The National Weather Service forecast for this afternoon calls for a high near 68°F. Mostly Sunny.
Will it rain in Castine, ME 04617 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 time is sunrise and sunset in Castine, ME 04617 today?
Sunrise is about 7:09 AM EDT and sunset is about 5:27 PM EDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Castine, ME 04617?
At Belfast, the 1991 to 2020 normal high in October is 57°F and the normal low is 38°F.

Nearby hazards

Maine 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: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Mid-Coast)
GoodOzone
AQI forecast tomorrow (Mid-Coast)
GoodOzone

UV index guide · Air quality

Drought

By county

Hancock County, week of 10/27/2026

100% of the county is in moderate drought or worse, 11% in extreme 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
5:27 PM
Daylight
10 hr 17 min
Moon
Waning Gibbous 77% lit
First light (civil dawn)
6:39 AM
Last light (civil dusk)
5:57 PM
Moonrise
8:52 PM
Moonset
12:32 PM

Normal October weather

Climate

Normal October high 57°, low 38°, precipitation 5.38 in for the month. 1991 to 2020 normals at Belfast, 13 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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