Weather on April 18 at Channel Islands

Channel Islands National Park

CAPacific West
Avg High72°F
Avg Low44°F
Warmest199969°F
Coldest202549°F

Based on 54 years of data from Ventura, CA

Planning Your Visit

April 18th in Channel Islands National Park (via Ventura, CA) typically brings pleasant spring weather, with average highs around 72°F and lows near 44°F — a 28°F daily swing. Over 54 years of records, the warmest April 18th was in 1999 (69°F average), while the coldest was 2025 (49°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 11% of April 18th dates historically, with the wettest April 18th recording 6.78" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.

Planning for April 18th in Channel Islands? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecipSnow
202559°F40°F0"--
202478°F48°F0"--
202360°F47°F0"--
202274°F42°F0"--
202178°F39°F0"--
202066°F51°F0"--
201980°F43°F0"--
201874°F34°F0"--
201774°F54°F0.33"--
201689°F41°F0"--
201584°F39°F0"--
201473°F51°F0"--
201379°F36°F0"--
201275°F48°F----
201161°F54°F----
201073°F45°F----
200981°F45°F----
200877°F43°F----
200764°F39°F----
200675°F41°F----
200559°F50°F----
200463°F39°F----
200364°F41°F----
200263°F37°F----
200168°F48°F----
200064°F39°F6.78"0"
199991°F46°F0"0"
199880°F40°F0"0"
199673°F49°F0.86"0"
199567°F44°F0"0"
199485°F50°F0"0"
199374°F46°F0"0"
199286°F47°F0"0"
199168°F37°F0"0"
1990--45°F0"0"
198977°F41°F0"0"
198869°F54°F0.03"0"
198769°F53°F0"0"
198679°F40°F0"0"
198572°F40°F0"0"
198470°F41°F0"0"
198366°F43°F2.92"0"
198280°F40°F0"0"
198156°F47°F0.3"0"
198087°F47°F0"0"
197966°F35°F0"0"
197877°F45°F0"0"
197777°F49°F0"0"
197671°F38°F0"0"
197566°F41°F0"0"
197469°F47°F0"0"
197372°F41°F0"0"
197262°F48°F0"0"
197163°F39°F0"0"

April 18 at Nearby Parks

Holiday Weather at Channel Islands

Official NPS WebsiteVisit nps.gov/chis for park information, alerts, and reservations

Explore More at Channel Islands

See historical weather for other dates

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