Mission Beach, CA Weather Forecast for 5-Days

Updated: Wed Feb 18th 2026 4:15 AM PST

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Mission Beach, CA Weather – 2-18 – Moderate Rain
57° / 51°
Moderate Rain
It will rain at times in Mission Beach, with a high of 57°F and a low of 51°F. The chance of rain is 83% with an estimated 0.33in. Winds will be strong at speeds peaking at 29mph and gusts of 39.5mph at 5 AM. The humidity will be on the higher side, averaging about 73%, the maximum being 87% at 7 AM and 54% being its lowest at 11 PM. Barometric pressure is its highest of 30.09inHg at 11 AM, a lowest point of 29.94inHg at 7 AM with an avg 30.04inHg.
Mission Beach, CA Weather – 2-19 – Heavy Rain
56° / 52°

Weather Tomorrow

Heavy Rain
Periods of rain are likely in Mission Beach, with a high of 56°F and a low of 52°F. The chance of rain is 89% with an estimated 0.91in. Winds will be strong at speeds peaking at 21mph and gusts of 28.9mph at 9 PM. High humidity with average of 81% is anticipated, the maximum being 95% at 5 PM and 73% being its lowest at 11 AM. Barometric pressure is its highest of 30.1inHg at 11 PM, a lowest point of 29.93inHg at 5 PM with an avg 30.03inHg.
Mission Beach, CA Weather – 2-20 – Partly Cloudy
55° / 48°
Partly Cloudy
Daytime highs will reach 55°F with lows dropping to 48°F in Mission Beach, where it will be cloudy. Winds will be strong at speeds peaking at 23mph and gusts of 31mph at 12 AM. The humidity will be on the higher side, averaging about 71%, the maximum being 90% at 10 PM and 54% being its lowest at 2 PM. Barometric pressure is its highest of 30.1inHg at 10 PM, a lowest point of 30.01inHg at 7 AM with an avg 30.05inHg.
Mission Beach, CA Weather – 2-21 – Partly Cloudy
64° / 52°
Partly Cloudy
Daytime highs will reach 64°F with lows dropping to 52°F in Mission Beach, where it will be cloudy. Winds will be light at 9mph and gusts of 11.3mph at 4 PM. Humidity levels should be comfortable, sitting around 50% on average, the maximum being 60% at 6 AM and 34% being its lowest at 1 PM. Barometric pressure is its highest of 30.17inHg at 10 AM, a lowest point of 30.07inHg at 4 AM with an avg 30.12inHg.
Mission Beach, CA Weather – 2-22 – Partly Cloudy
68° / 57°
Partly Cloudy
In Mission Beach, skies will be cloudy with highs near 68°F and lows around 57°F. Winds will be light at 10mph and gusts of 12.6mph at 4 PM. Humidity levels should be comfortable, sitting around 45% on average, the maximum being 58% at 11 PM and 29% being its lowest at 10 AM. Barometric pressure is its highest of 30.2inHg at 8 AM, a lowest point of 30.13inHg at 4 AM with an avg 30.16inHg.
Mission Beach, CA Weather – 2-23 – Sunny
71° / 60°
Sunny
It will be sunny in Mission Beach, with a high of 71°F and a low of 60°F. Winds will be light at 9mph and gusts of 12.2mph at 1 AM. Humidity levels should be comfortable, sitting around 43% on average, the maximum being 59% at 12 AM and 28% being its lowest at 10 AM. Barometric pressure is its highest of 30.16inHg at 12 AM, a lowest point of 30.05inHg at 4 PM with an avg 30.1inHg.

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