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Anza-Borrego Desert State Park

33.49°N, 116.44°W · America/Los_Angeles · Updated August 19, 2026 at 2:28 PM PDT

This Week

Live hourly forecast via Open-Meteo, refreshed hourly.

🌓

Tonight, Wed, Aug 19

🌥 Marginal

First Quarter · 47% lit

Dark window: 8:58 PM4:44 AM (20:5804:44 military)
7h 45m total
77–82°F during windowHot

Cloud cover during dark window (PDT, 24-hr)

20:00
21:00
22:00
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00:00
01:00
02:00
03:00
04:00

Clear skies forecast

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Tomorrow, Thu, Aug 20

🌥 Marginal

Waxing Gibbous · 57% lit

Dark window: 8:57 PM4:44 AM
7h 48m total
76–81°F during windowHot

⚠️ Half-lit moon (57%) — best viewing after moonset

Cloud cover during dark window (PDT, 24-hr)

20:00
21:00
22:00
23:00
00:00
01:00
02:00
03:00
04:00

Partly cloudy (38% avg cloud cover)

🌔

Fri, Aug 21

🌥 Marginal

Waxing Gibbous · 66% lit

Dark window: 8:55 PM4:45 AM
7h 50m total
74–78°F during windowWarm

⚠️ Half-lit moon (66%) — best viewing after moonset

Cloud cover during dark window (PDT, 24-hr)

20:00
21:00
22:00
23:00
00:00
01:00
02:00
03:00
04:00

Partly cloudy (34% avg cloud cover)

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Sat, Aug 22

😞 Poor

Waxing Gibbous · 74% lit

Dark window: 8:54 PM4:46 AM
7h 53m total
75–79°F during windowHot

⚠️ Half-lit moon (74%) — best viewing after moonset

Cloud cover during dark window (PDT, 24-hr)

20:00
21:00
22:00
23:00
00:00
01:00
02:00
03:00
04:00

Cloudy — 78% avg cloud cover

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Sun, Aug 23

😞 Poor

Waxing Gibbous · 82% lit

Dark window: 8:52 PM4:47 AM
7h 55m total
74–80°F during windowHot

⚠️ Bright moon (82% lit) — most faint objects washed out

Cloud cover during dark window (PDT, 24-hr)

20:00
21:00
22:00
23:00
00:00
01:00
02:00
03:00
04:00

Cloudy — 91% avg cloud cover

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Mon, Aug 24

🌥 Marginal

Waxing Gibbous · 89% lit

Dark window: 8:51 PM4:48 AM
7h 57m total
70–79°F during windowHot

⚠️ Bright moon (89% lit) — most faint objects washed out

Cloud cover during dark window (PDT, 24-hr)

20:00
21:00
22:00
23:00
00:00
01:00
02:00
03:00
04:00

Partly cloudy (53% avg cloud cover)

🌔

Tue, Aug 25

😞 Poor

Waxing Gibbous · 94% lit

Dark window: 8:49 PM4:49 AM
8h total
72–75°F during windowWarm

⚠️ Bright moon (94% lit) — most faint objects washed out

Cloud cover during dark window (PDT, 24-hr)

20:00
21:00
22:00
23:00
00:00
01:00
02:00
03:00
04:00

Cloudy — 72% avg cloud cover

Planning Ahead — Next 12 Dark Windows

Plan around the temps you can tolerate here, then confirm against This Week's forecast once you're within about 72 hours of your trip — short-range forecasts hold up a lot better than long-range averages beyond that window.

WindowHi / Lo °F (30-yr avg)Comfort
09-0909-13100° / 74°V Hot
10-0910-1391° / 63°Hot
11-0711-1179° / 50°Hot
12-0712-1171° / 43°Comfortable
01-0501-0970° / 42°Comfortable
02-0402-0875° / 46°Warm
03-0503-0983° / 52°Hot
04-0404-0891° / 58°Hot
05-0305-07100° / 66°V Hot
06-0206-06109° / 74°V Hot
07-0107-05107° / 82°V Hot
07-3108-04105° / 80°V Hot

↑ = warming trend ≥ +5.4°F/12yr · – = flat

Comfort (daytime high): Icy <32° · V. Cold 32–49° · Cold 50–60° · Comfortable 61–72° · Warm 73–78° · Hot 79–99° · V Hot 100–112° · Way Too Hot ≥113°

Hi/Lo based on NOAA 30-year climate normals, Borrego Springs, CA station USW00093184.