Local weather forecast

Weather in Grand Lake Stream, ME

Updated 2026-09-26 10:00 local time · ZIP codes 04637

Overcast
Now59°F

Overcast

High / Low69° / 52°
Rain chance47%
Wind9 mph
Weather alerts

Active alerts

1
High Surf Advisory issued September 26 at 1:49AM EDT until September 27 at 8:00PM EDT by NWS Caribou ME

* WHAT...Large breaking waves of 5 to 9 feet. Highest waves will impact the outermost islands. High risk of rip currents. * WHERE...Coastal Hancock County. * WHEN...From 8 AM this morning to 8 PM EDT Sunday. * IMPACTS...Large waves can present a danger to people on rocks above the water. Stay away from rock outcrops along the shoreline exposed to ocean waves, as waves can easily sweep people into the cold ocean water.

Safety instructions

A High Surf Advisory Means That High Surf Will Affect Beaches In The Advisory area...producing rip currents and localized beach erosion.

Hourly

Next hours

NowOvercast59°15% rain
11 AMOvercast63°13% rain
12 PMOvercast66°11% rain
1 PMCloudy68°8% rain
2 PMOvercast69°10% rain
3 PMOvercast69°10% rain
4 PMOvercast68°11% rain
5 PMOvercast66°12% rain
6 PMPatchy rain nearby64°14% rain
7 PMOvercast63°14% rain
8 PMPatchy rain nearby61°15% rain
9 PMPatchy rain nearby58°21% rain
Forecast

3-day weather forecast

Today2026-09-26
Overcast
69° 52°Overcast
Rain 47%Gust 11 mph
Tomorrow2026-09-27
Overcast
61° 51°Overcast
Rain 86%Gust 13 mph
Monday2026-09-28
Patchy rain nearby
57° 51°Patchy rain nearby
Rain 84%Gust 12 mph
Conditions

Weather details

Feels like54°F
Humidity61%
Pressure30.12 inHg
Visibility6 mi
Wind9 mph ENE
Wind gusts16 mph
Precipitation0.00 in
UV index2
Daylight

Sunrise, sunset and moon

Sunrise06:23 AM
Sunset06:21 PM
Moonrise06:06 PM
Moon phaseFull Moon
Next 24 hours

Key weather changes ahead

Warmest hour2 PM · 69°F
Coolest hour4 AM · 51°F
Highest rain chance12 AM · 92%
Strongest gusts9 AM · 35 mph
Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 21%).

Light layers should work

It feels like 54°F with winds near 9 mph.

Best window: 1 PM

68°F, 8% rain chance and 10 mph wind.

Allow a little extra driving time

Visibility is around 6 mi; gusts may reach 25 mph.

Good conditions for an easy run

Current temperature is 59°F, wind 9 mph, rain chance up to 21%.

Low UV protection needs

UV index is 2.

Local weather characteristics in Grand Lake Stream

Maine has cold winters, mild summers and strong coastal influence in the east. Snow, nor'easters and rapid temperature changes are common in the colder season.

Grand Lake Stream is part of the Northeast weather region. The forecast point is near 45.18°N latitude and 67.78°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.

Grand Lake Stream weather today

Overcast and 59°F in Grand Lake Stream, ME. Today's high is 69°F with a 47% rain chance. Winds are around 9 mph with gusts near 16 mph. Relative humidity is 61%, pressure is 30.12 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Grand Lake Stream

Sunrise is at 06:23 AM and sunset is at 06:21 PM. Tomorrow's forecast calls for Overcast with a high near 61°F and a low near 51°F. The maximum rain chance is 86%.

Nearby

Weather near Grand Lake Stream

Maine

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