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Grant Dam

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Location & Surroundings

Grant Dam is a dam in Washington, United States, at 36 m elevation. The nearest larger town is Anacortes, 25 km to the east. The national capital Washington is about 3780 km to the east. The nearest airport is Clam Harbor Airport, 3 km away.

Overview

Grant Dam is dam in San Juan County, Washington, United States of America.

It is located in San Juan County, United States.

Basic Data

  • Country United States
  • Located in San Juan County
  • Type dam (DAM)
  • a barrier constructed across a stream to impound water

Geography

  • Coordinates
    48° 36' 5" N, 122° 55' 35" W
  • Elevation 36 m (DEM: 46 m)
  • Timezone America/Los_Angeles
  • Time Shift GMT -8 (DST -7)

Statistics & Country

  • Pop. Density 38 p/km²
  • Built-up 1.0%
  • Settlement Very low density rural
  • Currency Dollar (USD)
  • Phone Prefix +1

Sun & Local Time

Other dams nearby

Nearby

Weather in Grant Dam

Current conditions and a 3-day (72-hour) weather forecast for Grant Dam, updated from the NOAA GFS model.

Now 14.4 C with mostly cloudy skies and a 1.2 m/s westerly wind. Next 24h: 11.4 to 15.5 C, max wind 5.2 m/s. No precipitation expected. Solar peaks near 520 W/m2.

Temperature
14.4 C
Wind
1.2 m/s W (248 deg)
Humidity
84 %
Pressure
1,016.6 hPa
Clouds
66 %
Precip
0.00 mm
Solar
0.0 W/m2
UV-B
n/a
Hour Temp (C) Wind (m/s) Dir (deg) RH (%) Pressure (hPa) Precip (step/total mm) Clouds (%) Solar (W/m2) UV-B (W/m2)
NOW 14.4 1.2 248 84 1,016.6 - / 0.00 66 0.0 n/a
6h 12.1 1.5 144 95 1,015.7 0.02 / 0.02 98 40.5 n/a
12h 11.4 1.4 171 94 1,015.1 0.00 / 0.00 60 0.0 n/a
18h 13.7 4.3 183 82 1,015.8 0.00 / 0.00 100 119.9 n/a
Tomorrow 15.5 5.2 190 80 1,013.7 0.00 / 0.00 9 520.0 n/a
30h 13.7 5.2 229 86 1,014.5 0.00 / 0.00 100 48.8 n/a
36h 12.2 2.4 233 87 1,015.5 0.00 / 0.00 10 0.0 n/a
42h 13.8 3.0 207 79 1,017.3 0.00 / 0.00 6 182.6 n/a
Wednesday 14.2 5.9 182 73 1,016.0 0.00 / 0.00 100 564.8 n/a
54h 13.2 4.6 215 70 1,016.9 0.00 / 0.00 100 32.2 n/a
60h 12.6 4.5 180 82 1,017.5 0.11 / 0.11 80 0.0 n/a
66h 12.3 1.3 122 82 1,019.1 0.14 / 0.26 96 55.5 n/a
Thursday 14.0 1.3 319 75 1,018.0 0.00 / 0.04 15 321.7 n/a
Source: NOAA GFS 0.25° (run 2026-09-21 00:00 UTC).

FAQ

What is the current weather and next 24-hour outlook in Grant Dam?
Now 14.4 C with mostly cloudy skies and a 1.2 m/s westerly wind. Next 24h: 11.4 to 15.5 C, max wind 5.2 m/s. No precipitation expected. Solar peaks near 520 W/m2.
Is precipitation expected in the next 24 hours?
No measurable precipitation is expected in the next 24 hours.
When are sunrise and sunset in Grant Dam today?
Sunrise around 06:55 and sunset around 19:13 (local time). Day length about 12h 18m.
What is the local time in Grant Dam?
Local time is 03:02. Time zone: America/Los_Angeles (UTC-07:00).
What type of place is Grant Dam?
Grant Dam is a dam.
What is the elevation of Grant Dam?
Elevation about 36 m. DEM 46 m.
Where is Grant Dam located?
It is at 48.60149, -122.92629 (latitude, longitude).
Which country is Grant Dam in?
It is in United States.

Links

Sources

Last updated 2006-01-15
geonames https://www.geonames.org/5796036

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