See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
11°
Clear
Feels Like: 14°
Min: 10°
Max: 19°
The next few hours will be clear, with today reaching 19°C and dropping to 12°C. The coming days will be clear throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:37
Sunrise
18:47
Sunset
Moon
Waxing Crescent
12:14
Moonrise
21:17
Moonset
Daily Forecast
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Thursday
Friday
Saturday
Sunday
Monday
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Friday
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Humidity
Weather in Lake Arrowhead today, September 16, 2026
Conditions in Lake Arrowhead on September 16, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. The morning looks comparatively open, with cloud near 3% around 11:00. Early outdoor plans have a better chance of staying dry and bright.
The day peaks near 19°C and cools toward 10°C. The air stays humid, with relative humidity between 52% and 99% and the peak around 21:00. A lighter breeze peaks around 16:00 near 6.4 km/h.
Expect persistent cloud later on, with amounts around 100% by 20:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 14.2 km on average, though it can drop toward 0.1 km in thicker cloud or showers. Expect sunrise at 06:37, sunset at 18:47, and 12 hours 9 minutes of sunlight today overall.
In short, September 16, 2026 looks like a fine day in Lake Arrowhead for being outside, peaking around 19°C.
Frequently asked questions about weather in Lake Arrowhead
How warm does it get in Lake Arrowhead?
The warmest month in Lake Arrowhead is July, with average high temperatures of 34°C. The average temperature during this period is around 26°C.
How cold does it get in Lake Arrowhead?
The coldest month in Lake Arrowhead is January, with average low temperatures of 4°C. The average temperature during this period is around 9°C.
What is the wettest time of year in Lake Arrowhead?
The wettest month in Lake Arrowhead is February, with an average of 63mm of precipitation.
What is the driest time of year in Lake Arrowhead?
The driest month in Lake Arrowhead is June, with an average of 2mm of precipitation.
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