Poseidon

Is Poseidon open right now?

Alert in the area

The Forest Service lists 3 alerts for Arapaho and Roosevelt National Forests.

• Fire Restrictions

  Agency alert covering Arapaho and Roosevelt National Forests · USFS · Arapaho and Roosevelt National Forests

• Slater Lake Area Closure

  Agency alert covering Clear Creek Ranger District · Order 02-10-07-26-03 · USFS · Clear Creek Ranger District

• Area Closure Surrounding the Devils Nose Target Range

  Agency alert covering Clear Creek Ranger District · Order 02-10-07-26-01 · USFS · Clear Creek Ranger District

As of Oct 21, 8:15 pm MDT · Source: USFS · Arapaho and Roosevelt National Forests. Agencies don't list every closure — check before you go.

Best time to visit Poseidon

Best months: May–June and September. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.

1. Jan

   36° / 16°

   9 wet

2. Feb

   38° / 15°

   9 wet

3. Mar

   44° / 21°

   10 wet

4. Apr

   50° / 26°

   11 wet

5. May

   60° / 35°

   11 wet

6. Jun

   72° / 42°

   10 wet

7. Jul

   77° / 49°

   13 wet

8. Aug

   75° / 47°

   13 wet

9. Sep

   68° / 39°

   10 wet

10. Oct

    57° / 30°

    8 wet

11. Nov

    44° / 22°

    7 wet

12. Dec

    36° / 15°

    8 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Georgetown, CO, 6.7 mi away at 8,520 ft. The station sits about 500 ft lower than this place, so expect it a little cooler here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.