Grand Lake Stream, ME Weather Forecast

Local 7-day forecast

70°
F

Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Grand Lake Stream, ME in one place.

Wednesday, September 16, 2026
Wind: 2 to 8 mph SW
Wednesday

Mostly sunny, with a high near 70. Southwest wind 2 to 8 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Grand Lake Stream, ME is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 15, 2026 11:15 AM EDT.

The active forecast window currently covers Sep 16 to Sep 21, 2026 for Grand Lake Stream, ME.

Page Snapshot

Page focus
city weather
Forecast window
Sep 16 to Sep 21, 2026
Latest sync
Sep 15, 2026 11:15 AM EDT
Forecast office
CAR
Source
NOAA / NWS
Next High
70°F
Wednesday
Next Low
51°F
Wednesday Night
Rain Outlook
7
Periods mentioning precipitation
Windiest
1 to 12 mph
Friday

Daily Outlook

Today
Sep 16
Mostly Sunny
70 °F
/ 51°F
Wind 2 to 8 mph
Thu
Sep 17
Patchy Fog then Partly Sunny
70 °F
/ 52°F
Wind 3 mph
Fri
Sep 18
Chance Rain Showers then Mostly Sunny
70 °F
/ 43°F
Wind 1 to 12 mph
Sat
Sep 19
Sunny
62 °F
/ 43°F
Wind 2 to 6 mph
Sun
Sep 20
Rain Showers Likely
61 °F
/ 45°F
Wind 1 to 9 mph
Mon
Sep 21
Slight Chance Rain Showers
62 °F
/ 44°F
Wind 7 mph

This Week in Grand Lake Stream

Wednesday looks like the warmest upcoming period in Grand Lake Stream at 70 degrees F.

Friday Night is the coolest period ahead with temperatures near 43 degrees F.

The strongest winds are forecast for Friday at about 1 to 12 mph NW.

Precipitation is mentioned in 7 upcoming forecast periods.

Forecast Details

Last updated
Sep 15, 2026 11:15 AM EDT
Coverage
6 days
Time zone
America/New_York
Forecast office
CAR
Radar station
KCBW

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Wednesday Night
Sep 16
51°F
Patchy Fog
0 to 5 mph W

Patchy fog after 8pm. Partly cloudy, with a low around 51. West wind 0 to 5 mph.

Thursday
Sep 17
70°F
Patchy Fog then Partly Sunny
3 mph E

Patchy fog before 9am. Partly sunny, with a high near 70. East wind around 3 mph.

Thursday Night
Sep 17
52°F
Chance Rain Showers
2 mph SW

A slight chance of rain showers between 7pm and 8pm, then a chance of rain showers and patchy fog. Mostly cloudy, with a low around 52. Southwest wind around 2 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Friday
Sep 18
70°F
Chance Rain Showers then Mostly Sunny
1 to 12 mph NW

A chance of rain showers and patchy fog before 7am, then patchy fog and a slight chance of rain showers between 7am and 8am. Mostly sunny, with a high near 70. Northwest wind 1 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

Friday Night
Sep 18
43°F
Mostly Clear
3 to 10 mph NW

Mostly clear, with a low around 43.

Saturday
Sep 19
62°F
Sunny
2 to 6 mph NW

Sunny, with a high near 62.

Saturday Night
Sep 19
43°F
Mostly Cloudy then Chance Rain Showers
1 mph S

A chance of rain showers after 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.

Sunday
Sep 20
61°F
Rain Showers Likely
1 to 9 mph S

Rain showers likely. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.

Sunday Night
Sep 20
45°F
Rain Showers Likely
3 to 8 mph NW

Rain showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

Monday
Sep 21
62°F
Slight Chance Rain Showers
7 mph N

A slight chance of rain showers. Mostly sunny, with a high near 62. Chance of precipitation is 20%.

Monday Night
Sep 21
44°F
Chance Rain Showers
5 mph N

A chance of rain showers. Partly cloudy, with a low around 44.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Sep 16
Mostly Sunny
70°F
2 to 8 mph
SW
Wednesday Night
Sep 16
Patchy Fog
51°F
0 to 5 mph
W
Thursday
Sep 17
Patchy Fog then Partly Sunny
70°F
3 mph
E
Thursday Night
Sep 17
Chance Rain Showers
52°F
2 mph
SW
Friday
Sep 18
Chance Rain Showers then Mostly Sunny
70°F
1 to 12 mph
NW
Friday Night
Sep 18
Mostly Clear
43°F
3 to 10 mph
NW
Saturday
Sep 19
Sunny
62°F
2 to 6 mph
NW
Saturday Night
Sep 19
Mostly Cloudy then Chance Rain Showers
43°F
1 mph
S
Sunday
Sep 20
Rain Showers Likely
61°F
1 to 9 mph
S
Sunday Night
Sep 20
Rain Showers Likely
45°F
3 to 8 mph
NW
Monday
Sep 21
Slight Chance Rain Showers
62°F
7 mph
N
Monday Night
Sep 21
Chance Rain Showers
44°F
5 mph
N
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.