Half Dome Weather Forecast
Half Dome weather: 50°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Half Dome is a mountain in Yosemite National Park. Half Dome is a mountain known as a granite dome above Yosemite Valley. It sits at 8.839 ft above sea level.
Right now it is 50°F (10°C) in Half Dome with overcast. It feels like 43°F. Today runs from 45°F to 63°F. Chance of precipitation is 2%. Sightseeing conditions score 8.8/10 - excellent - go now.
The best time to visit Half Dome is June, July and August. The climate is subarctic. January, February and March tend to be the least comfortable months. July is the warmest month with average highs near 74°F, while January is the coldest with lows near 12°F.
The closest major airport is San Francisco International Airport (SFO), about 156 mi away. Nearby highlights include Kings Canyon National Park, Emerald Bay State Park, Sequoia National Park and Mount Whitney.
In plain terms. Today is about average for September. The forecast high of 63°F is in line with the 64°F typical for this month. The best window to be outside is roughly 10 AM to 1 PM, when temperature, rain chance and wind line up best. hiking is the strongest bet in Half Dome today at 9.6/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Weather in Half Dome right now
Source: Open-Meteo. Updated 9:47 PM, Sep 20 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Half Dome
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sun, Sep 20 | ☁️ Overcast | 63° / 45° | 2% | 12 mph | 6 |
| Mon, Sep 21 | 🌦️ Light rain | 61° / 45° | 23% · 0,1 in | 17 mph | 5 |
| Tue, Sep 22 | ☁️ Overcast | 60° / 43° | 3% | 13 mph | 7 |
| Wed, Sep 23 | ⛅ Partly cloudy | 69° / 46° | 2% | 12 mph | 7 |
| Thu, Sep 24 | ☁️ Overcast | 67° / 45° | 0% | 15 mph | 7 |
| Fri, Sep 25 | ☁️ Overcast | 67° / 44° | 1% | 11 mph | 7 |
| Sat, Sep 26 | 🌤️ Mainly clear | 68° / 43° | 2% | 12 mph | 7 |
| Sun, Sep 27 | ☁️ Overcast | 65° / 42° | 1% | 11 mph | 6 |
| Mon, Sep 28 | ☁️ Overcast | 70° / 43° | 2% | 12 mph | 7 |
| Tue, Sep 29 | ☁️ Overcast | 73° / 50° | 8% | 11 mph | 7 |
| Wed, Sep 30 | ☁️ Overcast | 74° / 51° | 12% | 9 mph | 6 |
| Thu, Oct 1 | 🌦️ Light showers | 51° / 47° | 7% · 0,8 in | 5 mph | 1 |
| Fri, Oct 2 | 🌦️ Light drizzle | 61° / 47° | 11% · 0,0 in | 9 mph | 7 |
| Sat, Oct 3 | ☀️ Clear sky | 67° / 46° | 11% | 9 mph | 7 |
| Sun, Oct 4 | ☀️ Clear sky | 67° / 47° | 6% | 11 mph | 6 |
| Mon, Oct 5 | 🌦️ Light drizzle | 64° / 42° | 3% · 0,0 in | 15 mph | 6 |
Climate in Half Dome month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 40° | 12° | 3,8 in | ★☆☆☆☆ |
| February | 38° | 12° | 8,9 in | ★☆☆☆☆ |
| March | 42° | 16° | 6,1 in | ★☆☆☆☆ |
| April | 45° | 18° | 3,6 in | ★★☆☆☆ |
| May | 56° | 27° | 2,3 in | ★★★☆☆ |
| June | 69° | 39° | 0,7 in | ★★★★★ |
| July | 74° | 45° | 0,8 in | ★★★★★ |
| August | 73° | 44° | 0,5 in | ★★★★★ |
| September | 64° | 38° | 2,2 in | ★★★★☆ |
| October | 57° | 30° | 1,1 in | ★★★☆☆ |
| November | 45° | 20° | 3,6 in | ★★☆☆☆ |
| December | 44° | 18° | 4,4 in | ★★☆☆☆ |
Climate type: Subarctic. Source: Open-Meteo archive (ERA5).
Weather map for Half Dome
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in Half Dome
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Best time to visit Half Dome
Go in June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and March - expect the least comfortable mix of heat, cold or rain.
Explore Half Dome
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Half Dome?
Half Dome is a mountain in Yosemite National Park. Its coordinates are 37.7459, -119.5332. It lies in North America.
What is the weather like in Half Dome right now?
It is currently 50°F (10°C) with overcast. Humidity is 35% and wind is 6 mph.
When is the best time to visit Half Dome?
June, July and August offer the most comfortable conditions in Half Dome, which has a subarctic climate. January, February and March are usually the hardest months for outdoor plans.
What time zone is Half Dome in?
Half Dome observes America/Los_Angeles (UTC-07:00). The local time is 9:47 PM.
What is the nearest airport to Half Dome?
The closest airports are San Francisco International Airport (SFO), 156 mi away, Harry Reid International Airport (LAS), 268 mi away and Los Angeles International Airport (LAX), 270 mi away.
What are the top things to do in Half Dome?
Popular options include Kings Canyon National Park, Emerald Bay State Park, Sequoia National Park, Mount Whitney, Pinnacles National Park and Point Lobos State Natural Reserve.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (mountains) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated September 20, 2026 at 9:47 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
