Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 0%

06:44

16:18

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

Sun - Rise: 06:46, Set: 16:43, Transit: 11:45. Moon - Rise: 06:44, Set: 16:18. Civil Dark: 17:11 - 06:19. Nautical Dark: 17:42 - 05:48. Astro Dark: 18:12 - 05:18

Total Clouds (% Sky Obscured)

36
36
43
66
3
0
0
0
0
0
0
0
0
0
0
4
5
28
11
19
4
5
6
3

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)

36
36
43
33
3
0
0
0
0
0
0
0
0
0
0
4
5
18
10
19
4
4
5
3

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)

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

Chance of Frost

Temperature (°C)

11
10
9
8
9
9
8
8
8
8
9
8
12
19
21
21
21
20
20
19
17
13
12
12

Feels Like (°C)

10
8
8
6
7
9
8
8
8
8
9
8
12
19
21
21
21
19
19
18
17
14
13
13

Dew Point (°C)

3
-1
-1
-2
-3
-1
-2
-2
-2
-2
-1
-3
-2
0
1
1
0
0
1
1
5
5
6
6

Relative Humidity (%)

54
47
51
50
42
50
51
52
50
50
51
46
37
27
26
25
25
25
27
29
42
59
68
70

Pressure (mb)

1015
1016
1016
1016
1015
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1016
1015
1015
1015
1015
1015
1016
1017

Ozone (du)

254
255
254
254
253
252
253
253
253
253
253
254
256
257
258
259
260
258
257
256
257
257
256
256

Friday 19

New Moon 1%

07:36

17:13

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

Sun - Rise: 06:47, Set: 16:44, Transit: 11:45. Moon - Rise: 07:36, Set: 17:13. Civil Dark: 17:11 - 06:19. Nautical Dark: 17:42 - 05:48. Astro Dark: 18:12 - 05:18

Total Clouds (% Sky Obscured)

4
12
100
43
48
47
74
69
53
71
32
82
58
25
25
35
50
38
20
16
30
9
41
31

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
17
2
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)

4
12
100
43
43
47
59
44
38
52
27
59
58
25
25
35
50
38
20
16
22
5
41
31

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)

16
16
15
16
17
17
17
17
17
16
16
15
14
13
12
12
12
12
11
12
12
12
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
10
8
10
9
8
7
7
7
8
8
11
14
13
14
14
14
14
15
14
12
11
9

Dew Point (°C)

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

Relative Humidity (%)

64
65
67
69
72
70
64
60
55
52
50
49
38
26
26
26
28
32
36
40
51
75
76
73

Pressure (mb)

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

Ozone (du)

255
255
253
252
251
249
249
249
248
247
247
247
247
247
247
248
246
245
245
245
245
245
244
244

Saturday 20

Waxing Crescent 3%

08:21

18:13

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

Sun - Rise: 06:47, Set: 16:44, Transit: 11:46. Moon - Rise: 08:21, Set: 18:13. Civil Dark: 17:12 - 06:20. Nautical Dark: 17:43 - 05:49. Astro Dark: 18:13 - 05:19

Total Clouds (% Sky Obscured)

73
78
97
98
100
100
87
97
99
97
100
96
82
86
95
100
88
68
62
60
74
78
79
84

Low Clouds (% Sky Obscured)

16
14
12
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)

62
70
95
98
100
100
81
95
99
97
100
96
81
86
94
100
80
63
62
60
74
78
79
84

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)

13
13
13
14
14
14
15
15
16
16
15
16
15
14
14
13
12
12
12
12
11
10
13
12

Chance of Frost

Temperature (°C)

9
8
8
7
7
7
7
6
5
6
7
8
11
16
18
19
19
19
18
17
15
12
11
9

Feels Like (°C)

10
8
7
6
6
5
6
5
4
5
5
6
9
15
17
17
17
17
16
15
14
12
10
8

Dew Point (°C)

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

Relative Humidity (%)

74
74
73
67
66
65
65
66
65
63
63
59
51
41
39
39
40
41
43
45
55
73
76
73

Pressure (mb)

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

Ozone (du)

244
243
243
243
244
244
244
244
245
245
245
245
244
245
246
246
245
245
246
247
247
248
248
250

Sunday 21

Waxing Crescent 8%

09:01

19:14

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

Sun - Rise: 06:48, Set: 16:45, Transit: 11:46. Moon - Rise: 09:01, Set: 19:14. Civil Dark: 17:12 - 06:20. Nautical Dark: 17:43 - 05:49. Astro Dark: 18:13 - 05:19

Total Clouds (% Sky Obscured)

92
100
93
84
79
65
54
35
35
20
15
10
10
10
40
70
100
72
50
35
55
61
96
79

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)

92
100
89
77
65
55
45
35
35
20
15
10
10
10
40
70
100
72
50
35
55
61
96
79

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)

11
11
10
10
11
11
12
12
11
11
11
10
9
9
8
8
7
7
7
6
6
7
8
10

Chance of Frost

Temperature (°C)

9
9
8
8
8
8
8
8
9
8
7
7
10
14
16
17
16
16
14
13
12
10
9
8

Feels Like (°C)

8
8
7
7
7
7
7
7
7
6
5
5
8
13
14
15
13
14
13
11
11
10
9
6

Dew Point (°C)

4
4
3
3
3
3
3
3
2
2
0
-1
0
1
2
2
1
1
0
0
3
6
4
3

Relative Humidity (%)

70
73
71
71
71
71
70
69
62
64
63
59
50
40
38
38
38
38
38
40
53
73
72
70

Pressure (mb)

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

Ozone (du)

251
252
254
256
256
255
255
256
256
256
255
255
256
255
256
256
256
257
258
259
259
258
258
259

Monday 22

Waxing Crescent 14%

09:36

No Set

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

Sun - Rise: 06:48, Set: 16:45, Transit: 11:47. Moon - Rise: 09:36, Set: No Set. Civil Dark: 17:13 - 06:21. Nautical Dark: 17:44 - 05:50. Astro Dark: 18:14 - 05:20

Total Clouds (% Sky Obscured)

64
48
50
67
75
19
13
10
23
40
80
87
93
100
100
100
100
100
100
100
95
89
84
88

Low Clouds (% Sky Obscured)

0
0
0
0
0
6
12
10
23
40
65
71
77
84
67
61
55
66
76
86
89
89
84
88

Medium Clouds (% Sky Obscured)

0
0
14
26
39
19
13
0
0
0
12
26
59
78
94
90
86
77
68
59
66
73
79
79

High Clouds (% Sky Obscured)

64
48
50
57
55
3
0
2
6
17
57
72
86
100
100
100
100
100
100
100
81
61
42
55

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
1
1
1
3
4
3
3
3
1
6
7
3
11
14
14
16

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)

11
11
12
12
12
11
11
11
11
11
11
11
11
15
15
15
15
15
16
17
18
19
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
4
3
4
4
6
5
4
3
3
1
3
6
8
7
6
7
8
10
10
6
9
9

Dew Point (°C)

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

Relative Humidity (%)

71
70
67
66
65
64
65
66
62
61
60
60
45
36
34
34
33
33
39
46
53
59
64
70

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1015
1015
1016
1016
1016
1016
1015
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

260
261
260
260
263
264
262
262
260
259
258
259
260
259
261
260
260
259
260
261
262
262
263
263

Tuesday 23

Waxing Crescent 22%

10:07

20:16

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

Sun - Rise: 06:49, Set: 16:46, Transit: 11:47. Moon - Rise: 10:07, Set: 20:16. Civil Dark: 17:13 - 06:21. Nautical Dark: 17:44 - 05:50. Astro Dark: 18:15 - 05:20

Total Clouds (% Sky Obscured)

94
97
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
96

Low Clouds (% Sky Obscured)

81
75
70
66
61
66
70
75
75
75
75
78
81
84
85
86
87
84
81
78
71
63
56
61

Medium Clouds (% Sky Obscured)

80
80
87
93
100
100
100
100
88
76
65
73
82
91
94
97
100
96
92
89
92
96
99
73

High Clouds (% Sky Obscured)

68
84
84
84
83
82
80
77
87
92
100
100
100
100
100
100
100
100
100
100
80
57
23
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
2
1
0
0
0
0
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

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

Precipitation Probability (%)

16
13
23
27
25
23
21
16
35
48
56
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
1
3
5
7.2
5.4
5.1
4.7
3.2
3.1
2.6
1.6

Wind Speed/Direction (mph)

22
24
25
27
29
30
31
31
31
32
33
34
36
39
41
35
29
28
27
27
28
27
27
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
1
-1
0
1
2
1
0
-1
-0
1
2
4
7
10
8
8
7
7
7
8
7
8
7

Relative Humidity (%)

65
61
55
59
62
66
61
56
52
54
56
58
68
78
91
93
96
98
96
98
98
96
96
95

Pressure (mb)

1015
1015
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1014
1014
1013
1013
1012
1012
1012
1012
1013
1014
1015

Ozone (du)

263
262
262
262
263
263
263
264
264
265
265
266
267
268
270
271
272
273
276
279
281
283
285
287

Wednesday 24

Waxing Crescent 31%

10:35

21:18

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:49, Set: 16:46, Transit: 11:48. Moon - Rise: 10:35, Set: 21:18. Civil Dark: 17:14 - 06:22. Nautical Dark: 17:45 - 05:51. Astro Dark: 18:15 - 05:20

Total Clouds (% Sky Obscured)

95
92
93
94
95
96
96
95
95
94
91
83
74
66
68
72
76
79
82
84

Low Clouds (% Sky Obscured)

67
72
73
74
78
82
84
86
81
74
65
56
49
44
46
45
43
36
32
27

Medium Clouds (% Sky Obscured)

47
21
14
7
0
0
0
0
0
1
1
1
0
0
0
0
0
1
2
3

High Clouds (% Sky Obscured)

1
0
13
20
38
38
26
8
12
13
16
18
20
23
34
43
53
59
64
60

ISS Passover

Visibility (miles)

4
6
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
8
8
9

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

95
54
43
35
33
42
50
58
51
41
28
29
29
30
31
33
36
32
27
21

Precipitation Amount (mm)

0.7
0
0
0
0
0
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

25
23
21
21
20
19
18
17
16
14
13
13
12
11
11
11
10
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
5
5
5
5
5
5
5
5
4
5
4
3
1
6
5
5
6
7

Dew Point (°C)

7
6
5
4
4
4
4
4
3
3
3
3
2
1
1
1
1
1
1
2

Relative Humidity (%)

93
90
87
86
86
86
85
85
83
85
83
85
79
75
71
67
64
63
65
68

Pressure (mb)

1015
1016
1016
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1020
1020
1020
1019
1018
1018
1018

Ozone (du)

287
287
286
285
283
281
280
278
276
276
277
278
277
276
275
274
273
273
271
270

Forecast for Palomar Mountain, San Diego County, United States of America (33.32,-116.88)

Generated: 18/12/25 20:53:42. Forecast: 18/12/25 to 24/12/25. Timezone: UTC-8.00