Ski resort

Arapahoe Basin weather

Dillon, CO

61° now

Today: Sunny, high 51°, 0% chance of rain

Current observed weather and the available forecast for Arapahoe Basin. Conditions can change quickly; check local alerts before travel.

Usually open October to May

Opens as early as October (Oct 25 last season) and skis late into spring, closing May 17 in 2026 and June 4 in 2025.

From A-Basin Opening Day 2025 and closing day blogs, checked Oct 1, 2026. Dates change each year.

Mountain facts

Base: 10,520 ft
Summit: 13,050 ft
Vertical: 2,530 ft

This forecast is for the main base area at about 10,520 feet. The summit is 2,530 feet higher and is usually colder and windier.

For snow depth, lifts and trails, see the official Arapahoe Basin snow report.

Current conditions

Current weather at Arapahoe Basin

Clear sky

Observed at 1:55 PM local time

61°Feels like 58°

Humidity: 25%
Wind: 7 mph, gusts 21 mph
Sunrise: 7:00 AM
Sunset: 6:44 PM

At a glance

Today and Tomorrow at Arapahoe Basin

Today

Sunny

High 51° · Low 36°

0% chance of rain

Sunny. High near 51, with temperatures falling to around 49 in the afternoon. West northwest wind around 12 mph, with gusts as high as 20 mph.

Tomorrow

Mostly Sunny

High 51° · Low 33°

Up to 4% chance of rain

Mostly sunny. High near 51, with temperatures falling to around 48 in the afternoon. Northwest wind 7 to 12 mph, with gusts as high as 21 mph.

Hour by hour

Arapahoe Basin hourly forecast for the next 24 hours

1:00 PM49°Sunny0% rain
2:00 PM49°Sunny0% rain
3:00 PM51°Sunny0% rain
4:00 PM50°Sunny0% rain
5:00 PM49°Sunny0% rain
6:00 PM47°Clear0% rain
7:00 PM42°Clear0% rain
8:00 PM41°Clear0% rain
9:00 PM39°Clear0% rain
10:00 PM39°Clear0% rain
11:00 PM38°Mostly Clear0% rain
12:00 AM37°Mostly Clear0% rain
1:00 AM37°Mostly Clear0% rain
2:00 AM37°Mostly Clear0% rain
3:00 AM37°Mostly Clear0% rain
4:00 AM37°Mostly Clear0% rain
5:00 AM36°Mostly Clear0% rain
6:00 AM37°Sunny0% rain
7:00 AM37°Sunny0% rain
8:00 AM37°Sunny0% rain
9:00 AM38°Sunny0% rain
10:00 AM42°Mostly Sunny0% rain
11:00 AM44°Mostly Sunny0% rain
12:00 PM47°Mostly Sunny4% rain

Day by day

Arapahoe Basin 7-day forecast

Fri, Oct 2SunnyUp to 0% rain51° / 36°
Sat, Oct 3Mostly SunnyUp to 4% rain51° / 33°
Sun, Oct 4SunnyUp to 10% rain51° / 36°
Mon, Oct 5SunnyUp to 8% rain50° / 36°
Tue, Oct 6Partly Sunny then Chance Showers And ThunderstormsUp to 30% rain48° / 35°
Wed, Oct 7SunnyUp to 11% rain49° / 36°
Thu, Oct 8SunnyUp to 6% rain48° / 35°

Forecast from the National Weather Service, updated 12:46 PM local time. Hourly values are for the forecast grid cell containing this location. Current conditions from OpenWeather.

Confirm before you go

Arapahoe Basin location and park links

Check current hours, access, fees, closures, and local guidance with the destination itself.

Type: Ski resort
City: Dillon, CO
Address: 28194 Highway 6
Visitor information: Visit Arapahoe Basin website