Catalina Island, CA
Today’s Forecast:
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Today’s Report:
Hiking
Use Caution for hiking. High near 65°F. Risk of rain later today (42%). Light wind (15 mph).
- Temp: Favorable conditions
- Rain: Marginal weather factor
- Wind: Favorable conditions
- Thunderstorm: Favorable conditions
Paddling
Use Caution for paddling. High near 65°F. Risk of rain later today (42%). Breezy winds (15 mph).
- Temp: Marginal weather factor
- Rain: Marginal weather factor
- Wind: Marginal weather factor
- Thunderstorm: Favorable conditions
Camping
Use Caution for camping. High near 65°F. Risk of rain later today (42%). Breezy winds (15 mph).
- Temp: Favorable conditions
- Rain: Marginal weather factor
- Wind: Marginal weather factor
- Thunderstorm: Favorable conditions
About Catalina Island
Catalina Island is an outdoor-planning page for Avalon, Two Harbors, and the island interior. It has a distinct purpose centered on ferry access, marine wind and swell, remote trails, camping, and limited services, with the forecast used to choose the safest and most comfortable version of the day.
Make the Most of a Catalina Island Day
Start by comparing conditions across Avalon, Two Harbors, and the rest of the coverage area. Choose among hiking, paddling, camping based on wind, precipitation, temperature, visibility, water or trail conditions, road access, smoke, and available daylight.
Weather Tips for Catalina Island
- Conditions around Avalon, Two Harbors, and the island interior can differ sharply from nearby towns; ferry access, marine wind and swell, remote trails, camping, and limited services are the main planning variables.
- Check wind, waves, current, tides where relevant, water temperature, and lightning before launching; keep a land-based alternative ready.
- Cold ocean water, marine fog, swell, beach wind, and winter storms can matter even when the inland forecast looks mild.
- Check current road, trail, ramp, campground, and park alerts before relying on a remote access point.
Nearby Towns and Areas
This page covers Avalon, Two Harbors, and the island interior. It can also be useful when planning outdoor time near:
- Avalon
- Two Harbors
- Descanso Beach
- Airport in the Sky
- Trans-Catalina Trail
- Little Harbor
- Isthmus Cove
Plan Around the Conditions
Use the forecast to choose the best version of Catalina Island rather than forcing one itinerary. A shorter route, earlier launch, sheltered shoreline, lower-elevation trail, or town-based backup can preserve the day when conditions change.
7-Day Forecast for Catalina Island
Catalina Island Weather by Season
Winter
At Catalina Island, winter systems can cancel or delay ferries and boats, with strong wind, swell, rain, cold water, and rough exposed crossings. Remote island plans need extra food, layers, and enough flexibility for schedule changes.
Spring
Around Avalon, Two Harbors, and the island interior, spring can be green and beautiful, but marine wind, swell, fog, and changeable crossings remain decisive. Landing conditions and limited shelter matter as much as the mainland forecast.
Summer
For ferry access, marine wind and swell, remote trails, camping, and limited services, summer is drier, yet persistent wind, cold water, marine fog, and strong sun can coexist. Start with the marine forecast and operator guidance before committing to paddling, camping, or remote hikes.
Fall
Near Avalon and the surrounding area, early fall may offer calmer, clearer windows, though offshore wind events and swell still affect access. Shorter days increase the importance of ferry timing and conservative trail turnarounds.
Key Climate Data Points
- Warmest months: August through October.
- Coolest months: December through February.
- Wettest season: December through March.
- Driest season: July through September.
- Best outdoor window: Late spring through early fall when ferry, wind, swell, and landing conditions align.