Open Book

Is Open Book open right now?

Closure in the area

There's a closure order in Mount Rainier National Park. It doesn't name Open Book, so check the source for the area it covers.

• SR 165 Carbon River/Fairfax Bridge is closed: no access to Carbon River or Mowich Lake.

  Park closure covering Mount Rainier National Park · NPS · Mount Rainier National Park

• WILDFIRE CLOSURES: Sunrise & northern trails.

  Park alert covering Mount Rainier National Park · NPS · Mount Rainier National Park

• Be cautious around park rivers & learn how to cross safely!

  Park alert covering Mount Rainier National Park · NPS · Mount Rainier National Park

As of Oct 25, 1:30 pm PDT · Source: NPS · Mount Rainier National Park. Agencies don't list every closure — check before you go.

Best time to visit Open Book

Best months: July–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

   34° / 24°

2. Feb

   34° / 23°

3. Mar

   36° / 24°

4. Apr

   40° / 26°

5. May

   48° / 33°

6. Jun

   54° / 37°

7. Jul

   62° / 44°

8. Aug

   64° / 45°

9. Sep

   57° / 41°

10. Oct

    46° / 33°

11. Nov

    37° / 26°

12. Dec

    33° / 22°

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Rainier Paradise Rs, WA, 3.4 mi away at 5,427 ft. The station sits about 1,400 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.