The weather in Lake Arrowhead in January is very cold with temperatures between 15°F and 30°F, warm clothes are a must.
You can expect rain for roughly half of the month of January in Lake Arrowhead. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
You can expect a few days of snow in Lake Arrowhead during January. It’s important to get out your snow boots and warm mittens to stay warm while you explore Lake Arrowhead.
Our weather forecast can give you a great sense of what weather to expect in Lake Arrowhead in January 2026.
If you’re planning to visit Lake Arrowhead in the near future, we highly recommend that you review the 14 day weather forecast for Lake Arrowhead before you arrive.
