Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 21

Waxing Crescent 2%

10:11

16:27

12 OK
13 OK
14 OK
15 OK
16 Bad
17 Bad
18 Bad
19 OK
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

Sun - Rise: 07:33, Set: 16:20, Transit: 11:56. Moon - Rise: 10:11, Set: 16:27. Civil Dark: 16:56 - 06:57. Nautical Dark: 17:35 - 06:17. Astro Dark: 18:13 - 05:39

Total Clouds (% Sky Obscured)

29
31
34
35
53
53
50
47
87
96
100
100
100
80
84
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

29
31
34
35
53
53
50
44
38
36
35
34
46
51
0
0
54
35
44
66
58
84
76
93

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
22
87
93
84
92
91
80
84
99
100
100
98
100
98
100
100
100

High Clouds (% Sky Obscured)

4
4
15
4
34
53
50
47
65
89
100
100
99
63
70
100
60
82
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
6
7
7
9
5

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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
4
0
0
0
0
0
0
0
0
2
4
9
27
49
66
59
77
85
86

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0.4
0.5
0.5

Wind Speed/Direction (mph)

13
13
12
10
8
5
5
4
4
7
9
12
14
17
19
21
22
23
26
27
29
29
29
29

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
8
9
9
9
9
9
10
10
10
10
10
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
60
59
58
57
54
54
54
53
55
56
57
57
58
58
59
66
69
72
82
84
84
85
85

Pressure (mb)

1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1028
1028
1027
1027
1026
1025
1025
1024
1023
1023
1022
1021
1020

Ozone (du)

287
288
286
286
285
271
260
264
267
268
273
276
278
278
282
287
289
289
290
289
286
284
284
281

Saturday 22

Waxing Crescent 5%

11:01

17:12

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
10 Bad
11 Bad

Sun - Rise: 07:34, Set: 16:19, Transit: 11:56. Moon - Rise: 11:01, Set: 17:12. Civil Dark: 16:55 - 06:58. Nautical Dark: 17:35 - 06:18. Astro Dark: 18:13 - 05:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
94
99
97
99
100
100
95
74
100
100
70
88
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
90
91
100
100
96
67
62
67
91
98
99
76
85
59
88
55
70
62
64
36
58
35
42

Medium Clouds (% Sky Obscured)

100
100
100
100
97
100
94
89
99
85
54
53
99
56
35
50
60
0
18
34
35
27
39
62

High Clouds (% Sky Obscured)

100
100
100
100
100
100
23
10
15
0
0
0
1
15
20
100
100
32
66
99
100
100
100
100

ISS Passover

Visibility (miles)

9
6
7
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
6
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
83
50
13
17
19
11
8
29
38
72
70
70
53
41
28
17
23
11

Precipitation Amount (mm)

0.9
1.2
0.9
1.1
1.1
1
0.6
0
0
0
0
0
0
0
0
0.4
0.3
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

29
28
30
26
19
19
18
15
14
14
14
15
14
15
19
21
23
24
24
26
27
27
27
27

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
3
3
5
7
8
8
7
8
8
8
7
7
7
6
6
5
6
7
6
6
5
4
4

Dew Point (°C)

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

Relative Humidity (%)

85
87
88
80
79
79
75
70
71
69
69
73
73
75
79
81
89
90
90
86
81
71
67
65

Pressure (mb)

1019
1017
1016
1015
1014
1014
1013
1013
1013
1012
1012
1011
1011
1010
1009
1008
1007
1006
1005
1005
1006
1006
1006
1006

Ozone (du)

281
281
280
278
277
273
270
272
275
273
272
273
272
267
266
265
263
264
264
264
265
263
265
266

Sunday 23

Waxing Crescent 10%

11:39

18:10

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
10 Bad
11 Bad

Sun - Rise: 07:35, Set: 16:18, Transit: 11:57. Moon - Rise: 11:39, Set: 18:10. Civil Dark: 16:54 - 06:59. Nautical Dark: 17:34 - 06:20. Astro Dark: 18:12 - 05:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
68
74
49
40
62
64
62
65
81
86
92
96
77

Low Clouds (% Sky Obscured)

45
40
37
32
30
24
27
22
43
28
14
45
46
42
40
40
53
52
54
57
59
67
75
77

Medium Clouds (% Sky Obscured)

67
63
100
100
100
100
100
100
100
100
90
16
74
13
0
21
17
18
18
21
27
89
93
54

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
38
0
0
0
0
0
0
0
0
0
0
22
78
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
6
5
5
7
9
8
7
8
6
9
9
7
6
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
None
None
None
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

20
25
11
13
22
23
14
11
25
46
53
58
60
46
34
53
51
61
51
53
59
87
95
87

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0
0
0
0
0.3
0
0
0
0.4
0.5
0.4

Wind Speed/Direction (mph)

26
25
25
25
25
24
24
24
23
24
25
26
26
25
26
26
27
27
27
28
27
28
28
26

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
11
11
11
11
10
10
10

Feels Like (°C)

5
5
4
4
4
4
4
4
5
4
4
3
3
3
3
3
3
2
2
2
2
2
1
1

Dew Point (°C)

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

Relative Humidity (%)

65
66
66
63
62
61
65
63
59
64
66
70
71
71
64
65
63
61
60
61
63
69
77
74

Pressure (mb)

1005
1005
1005
1004
1004
1004
1004
1003
1003
1003
1002
1002
1001
1000
1000
999
998
998
997
997
996
996
995
995

Ozone (du)

267
270
270
270
271
272
273
275
277
279
281
286
290
293
298
301
300
302
303
307
303
305
304
309

Monday 24

Waxing Crescent 17%

No Rise

19:17

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
10 Bad
11 Bad

Sun - Rise: 07:37, Set: 16:18, Transit: 11:57. Moon - Rise: No Rise, Set: 19:17. Civil Dark: 16:54 - 07:01. Nautical Dark: 17:33 - 06:21. Astro Dark: 18:12 - 05:43

Total Clouds (% Sky Obscured)

100
99
99
97
95
93
92
92
91
85
79
72
74
71
64
75
76
76
82
87
91
87
82
75

Low Clouds (% Sky Obscured)

87
92
96
88
81
73
74
76
76
70
64
60
60
59
59
57
56
47
64
72
79
75
70
64

Medium Clouds (% Sky Obscured)

49
42
44
69
34
32
30
24
21
16
8
0
0
0
0
6
10
49
63
69
70
16
10
0

High Clouds (% Sky Obscured)

40
20
0
0
0
0
0
0
0
0
0
0
0
2
1
2
2
25
30
25
3
1
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

94
95
95
89
78
66
64
66
67
63
52
31
21
8
10
5
16
25
29
37
51
56
45
35

Precipitation Amount (mm)

0.6
0.8
0.6
0.5
0.4
0.3
0.3
0.3
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0.3
0
0

Wind Speed/Direction (mph)

25
23
25
26
30
31
30
29
28
29
28
27
25
25
23
24
24
23
20
20
21
20
21
21

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9

Feels Like (°C)

2
2
1
2
0
-1
0
1
1
1
1
1
2
1
2
2
2
2
2
2
2
2
1
2

Dew Point (°C)

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

Relative Humidity (%)

71
69
74
78
74
73
73
71
66
68
76
76
69
65
63
59
61
73
77
69
68
69
66
63

Pressure (mb)

995
996
996
997
999
1000
1002
1004
1005
1006
1008
1009
1009
1010
1011
1011
1012
1013
1013
1014
1015
1016
1017
1017

Ozone (du)

312
314
318
322
322
321
321
320
321
312
307
306
308
304
303
301
299
302
303
307
310
307
306
305

Tuesday 25

Waxing Crescent 25%

12:09

20:30

12 Bad
13 Bad
14 OK
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
10 Bad
11 Bad

Sun - Rise: 07:38, Set: 16:17, Transit: 11:57. Moon - Rise: 12:09, Set: 20:30. Civil Dark: 16:53 - 07:02. Nautical Dark: 17:33 - 06:22. Astro Dark: 18:11 - 05:44

Total Clouds (% Sky Obscured)

72
40
38
36
60
74
62
64
71
72
37
68
65
61
56
63
69
68
63
59
53
57
59
61

Low Clouds (% Sky Obscured)

61
40
38
36
57
59
57
59
60
61
37
60
59
59
56
58
57
56
48
46
42
43
43
43

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
16
21
19
18
17

High Clouds (% Sky Obscured)

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

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 (%)

34
22
2
5
11
2
4
14
4
16
6
16
15
13
12
12
12
11
10
9
7
4
2
2

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)

21
20
19
21
20
22
21
21
21
21
21
19
17
16
16
15
14
13
11
10
9
8
7
7

Chance of Frost

Temperature (°C)

9
9
9
9
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
10
10
10
9

Feels Like (°C)

2
2
3
3
3
2
2
3
2
2
2
3
3
3
3
3
3
3
3
3
4
5
5
5

Dew Point (°C)

2
3
2
2
2
3
3
3
3
4
4
4
3
3
4
4
4
3
3
3
4
3
4
4

Relative Humidity (%)

61
62
59
58
60
62
63
62
63
65
66
67
62
64
66
68
67
66
64
64
66
64
66
67

Pressure (mb)

1017
1018
1018
1018
1019
1019
1020
1020
1021
1021
1021
1022
1022
1022
1022
1023
1023
1023
1024
1024
1024
1025
1025
1025

Ozone (du)

303
302
304
306
306
305
302
301
300
298
298
296
294
293
292
290
290
289
289
288
288
287
286
285

Wednesday 26

Waxing Crescent 34%

12:31

21:45

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
10 Bad
11 Bad

Sun - Rise: 07:40, Set: 16:16, Transit: 11:57. Moon - Rise: 12:31, Set: 21:45. Civil Dark: 16:52 - 07:03. Nautical Dark: 17:32 - 06:23. Astro Dark: 18:10 - 05:45

Total Clouds (% Sky Obscured)

64
68
71
72
76
78
67
67
68
74
77
82
83
84
75
79
84
91
97
99
100
100
100
100

Low Clouds (% Sky Obscured)

42
42
41
42
44
45
58
67
68
69
67
66
70
70
58
72
82
91
94
95
96
90
86
81

Medium Clouds (% Sky Obscured)

14
11
8
21
25
29
22
12
9
10
20
28
38
44
55
50
31
26
22
27
18
18
17
17

High Clouds (% Sky Obscured)

20
38
54
45
37
29
45
59
68
67
57
47
37
28
20
46
70
87
82
77
74
77
86
91

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 (%)

7
4
0
0
0
0
0
1
1
6
6
5
5
3
1
6
10
11
18
27
42
50
49
39

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)

7
7
7
7
7
7
8
8
9
10
11
12
13
13
14
14
14
14
14
14
15
15
15
16

Chance of Frost

Temperature (°C)

9
9
10
10
10
10
10
10
10
11
11
11
11
11
11
11
11
11
12
12
12
12
12
12

Feels Like (°C)

5
5
6
6
7
7
7
8
8
7
8
8
8
9
8
8
8
8
8
8
8
8
8
8

Dew Point (°C)

4
3
3
3
3
3
2
3
4
4
4
4
5
4
4
4
5
5
6
6
7
7
8
8

Relative Humidity (%)

67
66
64
63
62
60
58
60
62
64
64
64
65
63
63
61
63
65
67
68
72
75
77
79

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

283
282
281
279
279
278
277
277
276
276
275
275
275
274
273
273
272
271
271
270
270
269
269
269

Thursday 27

Waxing Crescent 44%

12:49

23:01

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

Sun - Rise: 07:41, Set: 16:15, Transit: 11:58. Moon - Rise: 12:49, Set: 23:01. Civil Dark: 16:52 - 07:05. Nautical Dark: 17:32 - 06:25. Astro Dark: 18:10 - 05:46

Total Clouds (% Sky Obscured)

98
97
95
93
90
89
89
89
86
87
86
85
83
81
82
81
78
74

Low Clouds (% Sky Obscured)

82
83
84
79
74
70
69
69
69
79
86
85
83
81
82
81
78
74

Medium Clouds (% Sky Obscured)

18
19
20
18
16
15
19
24
28
33
38
38
38
33
32
27
31
20

High Clouds (% Sky Obscured)

77
62
46
48
41
38
39
35
38
32
26
21
28
35
40
50
57
56

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

30
29
21
18
14
5
9
15
28
27
34
48
75
91
95
92
82
77

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.7
0.8
0.7
0.5
0.5

Wind Speed/Direction (mph)

17
17
16
16
16
15
15
15
15
15
15
15
15
15
15
15
14
12

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
13
13
13
13
13
12
12
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
79
77
76
75
75
74
72
71
69
70
69
67
69
71
72
73
75

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019

Ozone (du)

268
268
267
266
265
264
264
264
265
265
267
268
269
267
266
265
264
263

Forecast for Salerie, Guernsey (49.46,-2.53)

Generated: 21/11/25 12:27:19. Forecast: 21/11/25 to 27/11/25. Timezone: UTC+0.00