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Shaded-relief atlas plate of Grand Lake Stream, Maine: rivers, roads, the city limits and where the water drains.
MAINE · WASHINGTON COUNTY

Grand Lake Stream

127 people, 560 ft above sea level in Washington County.

560 ftElevation, city center
127People, 2024 estimate
44 sq miLand area
Sunny 58°
Sunny now Dew point 57° · N 3 mph · high 61°
City of Grand Lake Stream River Interstate 2 miles
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The Grand Lake Stream plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.

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TODAY

Today in Grand Lake Stream

NWS forecast and National Blend of Models · updated 1:00 PM EDT
RIGHT NOW NEPP SITE AT PRINCETON (CWSS) · 2:00 PM
Sunny
58° Sunny Feels like 58° · high of 61° near 2 PM
WindN 3 mphno gusts
Humidity97%falling to 93% this afternoon
Pressure— in →steady
Visibility— mifog or heavy haze
CloudsClear
UV index1 nowlow
Dew point 57° · Comfortableabout the same for three days
DryComfortableStickyMuggyOppressive
NEXT RAIN
Partly cloudy
Friday, about 9 AMin about 66 hours · 38% chance · showers
LIKELY AMOUNT0–0.5 inmost likely 0.1; 1 in 10 over 0.9
LAST RAINSept. 190.15 in · 10 dry days
ALERTS & OUTLOOKS
No watches or warnings for Washington County
NWS Caribou and the Storm Prediction Center · checked 2:48 PM
SUN & MOON
↑ 6:26 AM6:16 PM ↓
11 h 49 m of daylight, 3 minutes less than yesterday
Waning gibbous, 89% lit. The Harvest Moon was full Saturday.
AIR & POLLEN
13
GOODAir quality index · ozone
Tomorrow: None, good. No pollen source yet.

The next three days, hour by hour

Sky: clear, cloudy, night Rain likely National Blend of Models
TUESDAY, SEPT. 29
WEDNESDAY, SEPT. 30
THURSDAY, OCT. 1
FRIDAY, OCT. 2
2p
5p
8p
11p
2a
5a
8a
11a
2p
5p
8p
11p
2a
5a
8a
11a
2p
5p
8p
11p
2a
5a
8a
11a
mostly cloudy day
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy day
partly cloudy day
partly cloudy day
partly cloudy day
mostly cloudy night
mostly cloudy night
partly cloudy night
mostly clear night
mostly sunny
partly cloudy day
mostly sunny
mostly sunny
mostly clear night
partly cloudy night
partly cloudy night
partly cloudy night
partly cloudy day
showers day
showers day
TEMPERATURE °F
61°
50°
69°
52°
75°
59°
CHANCE OF RAIN
38% · 0.00 in Friday morning 50%
WIND, MPH
6
5
3
2
2
2
2
2
2
0
0
1
1
2
3
5
7
5
3
2
2
2
3
3
HOW IT FEELS · DEW POINT
Comfortable: dew points 50 to 60° ↑ Humid air returns More humid: 61° by Friday

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 65° / 47°
TUE Sept. 29 Mostly cloudy Mostly cloudy
61° 48°
10% rain — NNE 6 A
WED Sept. 30 Partly cloudy; warmer Partly cloudy; warmer
70° 50°
0% rain — N 2 B
THU Oct. 1 Mostly sunny Mostly sunny
76° 57°
0% rain — SSW 5 B
FRI Oct. 2 Chance of showers Chance of showers
76° 51°
60% rain up to 0.5″ WNW 2 C
SAT Oct. 3 Mostly sunny; cooler Mostly sunny; cooler
67° 38°
0% rain — NNW 1 C
SUN Oct. 4 Chance of showers Chance of showers
64° 42°
40% rain up to 0.3″ SSE 2 B
MON Oct. 5 Chance of showers Chance of showers
63° 36°
30% rain up to 0.2″ WNW 3 B
How sure are we? AModels agree: highs within 4° BSome spread: within 8° CWide spread: check back
Range from the National Blend of Models percentiles · graded on Forecast Scores
AIR MAIL

Where today’s air came from

The air arriving over Grand Lake Stream about 5,000 feet above the ground was over the Atlantic off the Carolinas three days ago, about 2,110 miles back along its path. Most of the nine paths traced from around the city agree. It rose from near the ground on the way. Near the ground the air came from Canada; at 10,000 feet, from New England. Traced back 72 hours through NOAA’s hourly RAP analyses and the GFS beyond them, nine paths at each of three heights.

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ON THE NETWORK

Around Grand Lake Stream on the Forecast Network

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FORECASTCITY
Atlas plate of Grand Lake Stream, Maine. Explore the plate
MAINE · WASHINGTON

Grand Lake Stream

127 people, 560 ft above sea level in Washington County.

560 ftElevation
127People
44 sq miLand
Sunny 58°
SunnyDew point 57°
1

Today in Grand Lake Stream

NEXT 15 HOURS
Now mostly cloudy day 61° 7%
5p mostly cloudy day 60° 7%
8p mostly cloudy night 57° 4%
11p mostly cloudy night 54° 1%
2a mostly cloudy night 52° 1%
5a mostly cloudy night 51° 1%
Partly cloudy
NEXT RAINFriday about 9 AM · 38%
→
Tue10%
Mostly cloudy Mostly cloudy
48
61
A
Wed0%
Partly cloudy; warmer Partly cloudy; warmer
50
70
B
Thu0%
Mostly sunny Mostly sunny
57
76
B
Fri60%
Chance of showers Chance of showers
51
76
C
Sat0%
Mostly sunny; cooler Mostly sunny; cooler
38
67
C
Sun40%
Chance of showers Chance of showers
42
64
B
Mon30%
Chance of showers Chance of showers
36
63
B
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
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