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Castle Rock

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Castle Rock weather essentials

Monthly Averages
Month
High
Low
Precip
Dec
43°F 6°C
34°F 1°C
9 in 22 cm
Jan
43°F 6°C
34°F 1°C
8 in 20 cm
Feb
47°F 8°C
33°F 0°C
4 in 11 cm
Mar
51°F 10°C
36°F 2°C
5 in 13 cm
Apr
56°F 13°C
38°F 3°C
6 in 16 cm
May
62°F 16°C
43°F 6°C
2 in 5 cm

Extended Forecast
Tuesday
22 Dec
Hi:
43°F 6°C
Lo:
31°F 0°C
Wednesday
23 Dec
Hi:
40°F 4°C
Lo:
25°F -3°C
Thursday
24 Dec
Hi:
43°F 6°C
Lo:
29°F -1°C
More weather for Castle Rock
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Traveller Advice on Things to do in Castle Rock

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Johnston Ridge Observatory
TripAdvisor Traveller Rating: 4.5 of 5 stars
TripAdvisor Popularity Index: #1 of 5 attractions in Castle Rock

A small observatory poised dramatically on a cliff overlooking the debris left over from the famous 1980 volcano explosion.

Attraction type: Observatory/planetarium; Tourist/visitor centre
Traveller Reviews:
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The Forest Learning Center
TripAdvisor Traveller Rating: 4 of 5 stars
TripAdvisor Popularity Index: #2 of 5 attractions in Castle Rock

A museum chronicling the effect of the Mount St. Helen's eruption on the neighboring trees and plantlife.

Attraction type: Observatory/planetarium; Tourist/visitor centre
Traveller Reviews:
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Mount St. Helens Visitor Center
TripAdvisor Popularity Index: #3 of 5 attractions in Castle Rock

This Forest Service facility gives an overview of Cascade Range volcanism and the events before and after May 18, 1980.

Attraction type: Observatory/planetarium; Tourist/visitor centre; Landmark/point of interest
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Loowit Trail #216
TripAdvisor Popularity Index: #4 of 5 attractions in Castle Rock

A challenging trail traversing the rock-covered landscape formed by the eruption of Mount St. Helens in 1980.

Attraction type: Hiking trail
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Spirit Lake Memorial Highway
TripAdvisor Popularity Index: #5 of 5 attractions in Castle Rock

A broad scenic route stretching from I-5 right through the Mount St. Helens blast area.

Attraction type: Scenic drive; Volcano
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