Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waxing Crescent 3%

09:09

18:15

10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:55, Set: 16:47, Transit: 11:51. Moon - Rise: 09:09, Set: 18:15. Civil Dark: 17:14 - 06:27. Nautical Dark: 17:46 - 05:56. Astro Dark: 18:16 - 05:25

Total Clouds (% Sky Obscured)

43
56
74
80
56
93
100
92
93
99
68
62
67
73
28
56
81
69
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

43
56
74
51
53
92
100
91
92
99
66
59
65
71
28
51
73
69
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
14
13
13
7
7
7
7
9
7
7
7
6
7
6
6
7
7
7
6
6
5
5
4

Chance of Frost

Temperature (°C)

18
18
18
18
18
18
16
14
13
14
13
13
13
13
13
12
12
12
12
12
12
12
14
17

Feels Like (°C)

17
17
17
16
16
16
15
13
12
12
12
12
11
11
11
12
9
9
10
8
9
9
10
14

Dew Point (°C)

8
7
6
7
7
8
9
9
9
9
9
8
7
6
5
4
1
-1
-1
-3
-3
-3
-2
0

Relative Humidity (%)

51
47
46
46
48
53
61
69
74
75
74
72
69
65
61
55
49
42
40
37
35
34
33
31

Pressure (mb)

1020
1019
1018
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017

Ozone (du)

249
247
248
248
248
248
249
250
252
253
254
255
255
256
257
256
256
256
254
253
253
253
253
253

Monday 22

Waxing Crescent 8%

09:43

19:17

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:55, Set: 16:47, Transit: 11:51. Moon - Rise: 09:43, Set: 19:17. Civil Dark: 17:15 - 06:28. Nautical Dark: 17:46 - 05:56. Astro Dark: 18:17 - 05:26

Total Clouds (% Sky Obscured)

100
100
81
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
15
10
0
9
49
74
98
90
87
87
100
100
92
19
27
18
11
41
12
6
1

High Clouds (% Sky Obscured)

100
100
78
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
6
6
6
6
6
5
8
8
9
8
8
10
10
10
10
10
9
9
10
9
10
12

Chance of Frost

Temperature (°C)

18
18
19
18
18
16
15
14
13
13
13
12
12
11
12
12
12
11
11
11
10
10
10
12

Feels Like (°C)

15
15
16
15
14
14
14
11
11
9
9
9
9
8
10
9
9
9
8
8
8
8
8
9

Dew Point (°C)

-2
-2
-2
-2
-1
1
4
2
-1
-2
-2
-2
-1
-1
0
1
3
4
5
5
6
7
6
7

Relative Humidity (%)

25
24
24
25
29
34
46
44
37
36
35
38
42
42
44
49
54
58
67
69
72
81
74
72

Pressure (mb)

1017
1017
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1015
1015
1016

Ozone (du)

254
254
254
253
252
253
255
257
258
258
259
260
261
261
263
263
261
262
262
262
263
264
264
265

Tuesday 23

Waxing Crescent 14%

No Rise

20:20

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:56, Set: 16:48, Transit: 11:51. Moon - Rise: No Rise, Set: 20:20. Civil Dark: 17:15 - 06:28. Nautical Dark: 17:47 - 05:57. Astro Dark: 18:17 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
28
49
68
100
99
100
100
100
95
100
100
100
100
100
100
95
89
84
89
95
100

Medium Clouds (% Sky Obscured)

1
1
1
3
10
16
5
5
15
14
19
14
44
100
82
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
50
90
57
100
100
100
94
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
8
8
9
1
1
1
1
3
2
1
0
1
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
Very Light Rain
None
None
None
None
Very Light Rain
None
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Heavy Rain
Heavy Rain
Moderate Rain
Moderate Rain
Moderate Rain

Precipitation Probability (%)

0
0
0
8
18
22
36
34
30
29
24
54
56
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0
0
0
0.3
0
2.5
5.4
6.1
7.8
7.6
8.4
11
12.5
7.9
6.5
3.8

Wind Speed/Direction (mph)

13
15
15
16
15
15
16
15
17
19
19
20
22
26
28
31
36
38
39
34
33
34
28
18

Chance of Frost

Temperature (°C)

13
13
13
13
12
12
10
10
9
9
10
10
10
9
10
10
10
10
10
10
10
9
10
9

Feels Like (°C)

10
10
10
10
9
8
7
7
6
7
7
8
7
5
6
7
6
7
6
5
4
4
5
6

Dew Point (°C)

8
6
7
8
9
9
8
8
8
9
9
10
9
8
9
10
10
10
10
10
10
9
10
9

Relative Humidity (%)

75
64
68
70
80
84
85
90
93
95
96
95
91
91
95
98
98
100
100
100
100
100
100
100

Pressure (mb)

1016
1015
1014
1013
1013
1014
1014
1014
1014
1015
1014
1014
1014
1014
1013
1013
1013
1012
1011
1011
1011
1011
1011
1012

Ozone (du)

267
269
270
269
271
273
269
270
269
266
264
266
266
265
266
268
267
269
268
270
270
271
273
273

Wednesday 24

Waxing Crescent 22%

10:13

21:22

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:56, Set: 16:48, Transit: 11:52. Moon - Rise: 10:13, Set: 21:22. Civil Dark: 17:16 - 06:28. Nautical Dark: 17:47 - 05:57. Astro Dark: 18:18 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
94
92
92
92
93
95
96
98
97
98
99
98
99
97
97
99
99

Low Clouds (% Sky Obscured)

99
99
98
99
99
100
96
91
87
87
86
86
89
92
95
97
98
99
98
99
97
92
85
78

Medium Clouds (% Sky Obscured)

100
100
100
100
24
20
23
25
27
22
20
16
23
30
36
37
42
48
46
44
42
50
63
76

High Clouds (% Sky Obscured)

100
100
100
100
100
80
57
30
0
0
0
0
0
0
0
0
0
0
2
1
2
0
0
0

ISS Passover

Visibility (miles)

0
0
1
1
1
0
1
1
1
1
0
1
0
1
0
0
0
0
0
0
1
0
1
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
60
52
46
43
38
46
58
70
85
91
95
95
95
86
75
67

Precipitation Amount (mm)

3.7
2.6
2
1.5
1.4
1
1
0.7
0.2
0
0
0
0
0
0.4
0.5
0.7
0.9
0.9
1
0.9
0.6
0.4
0.3

Wind Speed/Direction (mph)

19
22
21
18
16
13
13
13
13
12
11
12
13
13
14
15
15
15
15
15
16
16
16
16

Chance of Frost

Temperature (°C)

8
9
8
9
8
8
8
8
8
8
8
8
8
8
8
7
7
7
7
7
7
7
7
7

Feels Like (°C)

6
6
5
6
6
7
6
6
6
5
5
6
6
5
6
5
5
5
5
4
5
4
5
5

Dew Point (°C)

8
9
8
8
8
8
7
8
8
8
8
8
8
7
8
7
7
6
7
6
7
6
7
7

Relative Humidity (%)

98
98
98
98
96
96
95
96
96
98
98
98
98
98
98
98
98
96
98
98
98
98
96
96

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1018

Ozone (du)

272
272
275
277
281
282
284
283
285
285
286
289
291
294
295
298
299
302
300
300
299
302
305
308

Thursday 25

Waxing Crescent 32%

10:41

22:24

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:56, Set: 16:49, Transit: 11:52. Moon - Rise: 10:41, Set: 22:24. Civil Dark: 17:17 - 06:29. Nautical Dark: 17:48 - 05:57. Astro Dark: 18:19 - 05:27

Total Clouds (% Sky Obscured)

99
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
95
97
98
100

Low Clouds (% Sky Obscured)

86
93
100
100
100
100
100
100
100
94
89
83
100
100
100
99
98
97
92
86
80
72
65
58

Medium Clouds (% Sky Obscured)

76
85
92
100
100
100
100
100
100
93
86
60
75
56
33
27
19
7
35
66
95
93
92
88

High Clouds (% Sky Obscured)

0
0
0
0
0
10
34
18
15
24
50
84
63
63
58
60
59
55
54
50
51
52
74
95

ISS Passover

Visibility (miles)

1
0
2
2
2
2
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
0
1
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
89
60
56
53
61
67
69
68
72
79
71
68
69

Precipitation Amount (mm)

0.9
2.3
4.8
3.2
3.9
6.8
2.8
1.9
1.7
1.1
0.9
0.8
0.3
0.2
0
0.3
0.4
0.4
0.4
0.5
0.7
0.5
0.5
0.6

Wind Speed/Direction (mph)

17
17
18
17
16
16
17
17
17
16
14
13
11
14
13
13
12
12
12
11
11
11
11
11

Chance of Frost

Temperature (°C)

8
8
8
7
8
8
8
8
8
8
8
8
8
8
9
9
9
9
8
8
8
8
8
9

Feels Like (°C)

5
5
5
4
5
6
5
5
5
6
5
6
5
5
6
6
6
6
6
6
6
5
5
6

Dew Point (°C)

7
7
7
6
6
7
7
7
7
7
7
7
8
8
8
9
9
8
8
8
8
7
8
8

Relative Humidity (%)

96
95
90
88
87
93
95
96
96
95
93
95
96
96
98
98
98
96
98
98
98
98
96
96

Pressure (mb)

1019
1018
1018
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1020
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020

Ozone (du)

301
298
296
292
292
293
292
289
287
285
283
282
280
280
281
281
280
280
279
278
277
276
277
278

Friday 26

Waxing Crescent 42%

11:07

23:27

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:57, Set: 16:50, Transit: 11:53. Moon - Rise: 11:07, Set: 23:27. Civil Dark: 17:17 - 06:29. Nautical Dark: 17:49 - 05:58. Astro Dark: 18:19 - 05:27

Total Clouds (% Sky Obscured)

98
97
96
97
99
100
99
98
96
98
99
100
96
93
90
95
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

63
68
73
66
59
52
58
64
70
57
43
72
60
41
5
5
0
0
0
0
40
68
75
85

Medium Clouds (% Sky Obscured)

74
60
48
43
38
29
32
31
32
24
19
14
39
64
89
82
75
68
73
79
85
89
94
97

High Clouds (% Sky Obscured)

78
64
49
64
68
66
69
69
65
67
76
93
69
49
55
68
80
89
84
84
70
70
50
40

ISS Passover

Visibility (miles)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
1
1
0
1
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

63
60
58
52
46
40
37
37
35
32
30
29
41
57
75
74
73
72
75
76
79
87
95
95

Precipitation Amount (mm)

0.4
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0.2
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.4
0.6
1

Wind Speed/Direction (mph)

12
11
11
11
11
10
9
9
8
8
8
8
8
9
11
12
10
8
7
7
9
10
10
11

Chance of Frost

Temperature (°C)

9
10
9
9
9
9
9
8
8
7
7
8
7
7
7
7
7
7
8
7
7
7
7
7

Feels Like (°C)

7
7
7
7
6
7
6
6
5
5
5
6
6
6
5
6
6
6
5
4
5
5
5
5

Dew Point (°C)

9
9
9
9
9
9
8
8
7
7
7
7
7
7
7
7
7
7
7
7
7
6
7
7

Relative Humidity (%)

96
98
98
96
96
96
96
96
98
98
98
98
96
98
96
96
98
98
96
96
96
96
98
96

Pressure (mb)

1021
1020
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018

Ozone (du)

279
278
276
275
275
276
276
277
277
277
278
278
279
279
280
280
281
283
284
285
285
286
287
288

Saturday 27

First Quarter 53%

11:34

00:32

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:57, Set: 16:50, Transit: 11:53. Moon - Rise: 11:34, Set: 00:32. Civil Dark: 17:18 - 06:29. Nautical Dark: 17:49 - 05:58. Astro Dark: 18:20 - 05:27

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
98
98
97
85
78
66
57
46
45
60
80
100

Low Clouds (% Sky Obscured)

82
87
91
89
89
90
74
64
54
85
78
66
57
46
45
60
80
79

Medium Clouds (% Sky Obscured)

96
94
92
95
97
99
78
58
37
25
12
0
1
2
3
2
2
1

High Clouds (% Sky Obscured)

27
12
0
0
0
0
3
7
10
17
19
25
25
20
20
40
68
100

ISS Passover

Visibility (miles)

1
1
0
0
0
0
0
0
1
1
1
2
3
4
5
7
7
8

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
83
70
61
52
40
39
35
28
28
24
13

Precipitation Amount (mm)

1.1
1.1
1.3
1.4
1.5
1.8
1.1
0.7
0.6
0.4
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
12
12
11
10
8
8
8
10
11
11
12
12
12
13
12
11

Chance of Frost

Temperature (°C)

8
8
9
9
8
8
8
7
7
7
7
7
7
6
6
6
7
7

Feels Like (°C)

6
6
6
6
6
5
5
5
5
4
4
5
5
4
4
4
5
5

Dew Point (°C)

7
8
8
8
8
7
8
7
6
6
6
6
6
5
5
5
5
5

Relative Humidity (%)

96
96
96
96
96
96
98
96
96
96
94
96
94
93
93
90
88
87

Pressure (mb)

1018
1018
1017
1016
1016
1016
1016
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

289
287
285
283
283
283
283
284
285
287
286
285
284
283
283
283
282
282

Forecast for Mount Wilson, Los Angeles, United States of America (34.22,-118.06)

Generated: 21/12/25 10:50:25. Forecast: 21/12/25 to 27/12/25. Timezone: UTC-8.00