Hetch Hetchy Junction, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Hetch Hetchy Junction, CA in one place.
Sunny, with a high near 88. West wind 3 to 7 mph.
Local Weather Overview
This forecast page for Hetch Hetchy Junction, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 14, 2026 6:06 PM PDT.
The active forecast window currently covers Sep 15 to Sep 20, 2026 for Hetch Hetchy Junction, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 6:06 PM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Hetch Hetchy Junction
Sunday looks like the warmest upcoming period in Hetch Hetchy Junction at 90 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph NNW.
The forecast from Sep 15 through Sep 20 stays mostly dry.
Forecast Details
- Last updated
- Sep 14, 2026 6:06 PM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- STO
- Radar station
- KDAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 62. North northeast wind around 6 mph.
Sunny, with a high near 85. South wind 5 to 8 mph.
Clear, with a low around 60.
Sunny, with a high near 82.
Clear, with a low around 61.
Sunny, with a high near 86.
Clear, with a low around 63.
Sunny, with a high near 88.
Mostly clear, with a low around 64.
Sunny, with a high near 90.
Mostly clear, with a low around 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Sunny
|
88°F |
3 to 7 mph
W
|
|
Tuesday Night
Sep 15
|
Mostly Clear
|
62°F |
6 mph
NNE
|
|
Wednesday
Sep 16
|
Sunny
|
85°F |
5 to 8 mph
S
|
|
Wednesday Night
Sep 16
|
Clear
|
60°F |
5 to 9 mph
NW
|
|
Thursday
Sep 17
|
Sunny
|
82°F |
5 to 9 mph
NW
|
|
Thursday Night
Sep 17
|
Clear
|
61°F |
5 to 9 mph
NNW
|
|
Friday
Sep 18
|
Sunny
|
86°F |
5 to 10 mph
NNW
|
|
Friday Night
Sep 18
|
Clear
|
63°F |
5 to 10 mph
NNW
|
|
Saturday
Sep 19
|
Sunny
|
88°F |
3 to 9 mph
WNW
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
64°F |
5 to 9 mph
N
|
|
Sunday
Sep 20
|
Sunny
|
90°F |
5 to 9 mph
NW
|
|
Sunday Night
Sep 20
|
Mostly Clear
|
64°F |
9 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hetch Hetchy Junction.