Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Crescent 12%

10:36

19:35

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:04, Set: 16:14, Transit: 12:09. Moon - Rise: 10:36, Set: 19:35. Civil Dark: 16:52 - 07:26. Nautical Dark: 17:33 - 06:45. Astro Dark: 18:12 - 06:06

Total Clouds (% Sky Obscured)

86
81
91
100
89
86
86
98
99
100
100
100
100
100
100
100
100
100
99
99
98
100
100
100

Low Clouds (% Sky Obscured)

46
58
67
75
79
56
44
83
92
89
98
98
100
100
100
100
100
100
99
99
98
100
100
100

Medium Clouds (% Sky Obscured)

36
71
23
18
17
28
30
41
43
39
43
66
90
89
36
39
19
15
0
0
0
0
0
0

High Clouds (% Sky Obscured)

82
18
44
24
58
34
6
68
95
100
100
92
100
88
68
60
60
61
3
2
2
2
0
0

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
2
1
0
0
0
0
0
0
0
4
3
9
11
9
7
11
13
22
27

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
11
10
10
8
7
8
10
13
18
19
22
24
25
26
27
27
28
27
28
28
28
28
29

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
11
11
11
11
11
10
10
10
10
10
10
10
10
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
77
77
77
77
78
81
83
83
81
80
78
77
76
76
74
73
73
73
73
73
74
74
73

Pressure (mb)

1010
1010
1011
1011
1012
1013
1014
1014
1014
1014
1015
1016
1016
1017
1018
1018
1019
1019
1020
1020
1021
1022
1022
1023

Ozone (du)

367
370
375
377
374
373
371
371
373
373
373
371
368
364
361
358
355
355
355
352
350
348
346
342

Wednesday 24

Waxing Crescent 19%

10:55

20:51

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:04, Set: 16:15, Transit: 12:10. Moon - Rise: 10:55, Set: 20:51. Civil Dark: 16:52 - 07:27. Nautical Dark: 17:33 - 06:46. Astro Dark: 18:12 - 06:07

Total Clouds (% Sky Obscured)

100
100
100
100
91
91
79
81
46
68
60
58
53
57
76
54
68
60
74
72
69
83
56
57

Low Clouds (% Sky Obscured)

100
100
100
100
91
91
78
81
46
68
60
58
53
57
76
54
68
60
74
72
69
83
56
57

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
2
2

High Clouds (% Sky Obscured)

0
1
1
0
1
2
4
13
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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 (%)

30
26
23
21
8
1
0
0
0
0
0
0
0
0
0
0
0
2
0
0
4
14
9
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)

29
30
31
32
32
32
32
33
33
34
34
33
34
34
34
34
35
35
35
35
36
37
38
38

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
73
74
73
70
72
65
63
61
61
61
62
63
63
63
64
64
63
62
62
61
60
60
58

Pressure (mb)

1023
1023
1024
1025
1025
1026
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1027
1027
1026
1025
1025
1024

Ozone (du)

338
337
335
335
333
333
334
335
339
342
346
348
350
351
350
350
352
355
357
362
368
371
374
375

Thursday 25

Waxing Crescent 28%

11:11

22:07

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:05, Set: 16:15, Transit: 12:10. Moon - Rise: 11:11, Set: 22:07. Civil Dark: 16:53 - 07:27. Nautical Dark: 17:34 - 06:46. Astro Dark: 18:13 - 06:07

Total Clouds (% Sky Obscured)

69
100
98
98
100
100
98
97
91
62
78
61
46
45
61
74
72
77
73
72
71
70
66
65

Low Clouds (% Sky Obscured)

69
100
74
89
90
100
97
93
90
62
78
61
46
45
61
74
72
77
73
72
71
70
66
65

Medium Clouds (% Sky Obscured)

40
82
94
96
60
60
47
14
0
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0

High 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

ISS Passover

Visibility (miles)

9
9
9
7
5
8
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 (%)

9
34
45
46
42
17
15
9
2
2
2
0
0
0
0
0
0
1
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)

39
40
37
35
32
30
29
27
25
24
23
23
23
22
21
21
21
20
20
20
20
20
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
1
3
2
1
0
0
-0
-1
-1
-0
0
0
0
1
1
1
1
1
1
1
1
2
2

Relative Humidity (%)

59
62
74
72
71
70
70
70
69
69
70
70
70
70
68
67
69
67
69
69
70
70
71
71

Pressure (mb)

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

Ozone (du)

371
370
371
372
373
372
369
368
368
369
368
367
367
366
367
368
367
367
367
368
368
368
367
367

Friday 26

Waxing Crescent 39%

11:25

23:23

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:05, Set: 16:16, Transit: 12:11. Moon - Rise: 11:25, Set: 23:23. Civil Dark: 16:54 - 07:27. Nautical Dark: 17:35 - 06:46. Astro Dark: 18:14 - 06:07

Total Clouds (% Sky Obscured)

64
65
70
68
75
77
75
66
91
90
67
59
54
59
55
58
54
48
49
81
84
90
95
96

Low Clouds (% Sky Obscured)

64
65
70
68
75
77
75
66
82
77
67
59
54
59
55
58
54
48
49
57
56
56
56
60

Medium Clouds (% Sky Obscured)

0
0
0
0
1
1
0
0
40
50
23
0
0
0
0
0
0
0
0
0
0
0
0
4

High Clouds (% Sky Obscured)

0
0
0
0
2
2
1
4
40
35
0
0
0
0
0
0
0
2
3
30
46
62
77
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
1
2
1
3
4
3
6
6
0
3
4
0
2
4
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)

20
20
20
20
20
20
20
20
20
20
20
21
21
21
21
20
19
19
19
18
17
17
18
18

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
8
8
8

Feels Like (°C)

1
1
1
1
1
0
1
0
1
0
0
0
0
1
1
1
1
1
1
1
1
0
-0
1

Dew Point (°C)

2
3
2
3
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Relative Humidity (%)

71
73
71
73
71
73
73
73
71
73
73
74
73
74
75
75
73
73
73
73
74
74
73
71

Pressure (mb)

1024
1024
1024
1024
1024
1025
1025
1025
1024
1024
1024
1024
1025
1025
1026
1026
1027
1027
1027
1028
1028
1028
1028
1028

Ozone (du)

366
365
367
367
369
371
372
368
365
367
367
367
364
365
369
366
363
359
353
350
347
343
340
339

Saturday 27

First Quarter 50%

11:39

00:41

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
20 Bad
21 Bad
22 Bad
23 OK
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:05, Set: 16:17, Transit: 12:11. Moon - Rise: 11:39, Set: 00:41. Civil Dark: 16:54 - 07:28. Nautical Dark: 17:35 - 06:47. Astro Dark: 18:14 - 06:08

Total Clouds (% Sky Obscured)

98
94
81
88
87
62
57
60
59
58
61
54
45
39
45
53
58
49
39
34
44
54
66
73

Low Clouds (% Sky Obscured)

64
69
71
73
71
62
57
60
59
58
61
54
45
39
45
53
58
48
32
15
25
34
44
58

Medium Clouds (% Sky Obscured)

62
48
23
40
42
15
17
18
17
17
20
13
7
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

92
89
71
75
75
62
57
60
59
56
44
31
17
1
1
2
1
1
2
2
2
3
3
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
5
6
4
7
7
6
10

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)

19
20
20
21
22
23
23
22
21
21
23
23
24
25
24
24
23
24
23
22
22
22
23
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
0
1
2
1
1
2
2
3
3
2
2
2
2
1
2
2
2
2
2
2
2
3
3

Dew Point (°C)

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

Relative Humidity (%)

73
73
73
72
69
67
64
63
61
60
59
57
58
60
64
68
73
76
76
78
78
76
76
73

Pressure (mb)

1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031

Ozone (du)

337
335
331
327
325
324
321
317
316
314
314
314
313
311
311
310
309
308
307
306
305
304
303
302

Sunday 28

Waxing Gibbous 61%

11:53

02:02

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:05, Set: 16:18, Transit: 12:12. Moon - Rise: 11:53, Set: 02:02. Civil Dark: 16:55 - 07:28. Nautical Dark: 17:36 - 06:47. Astro Dark: 18:15 - 06:08

Total Clouds (% Sky Obscured)

84
93
92
92
92
87
82
76
78
79
84
85
89
92
87
82
68
67
65
59
60
60
61
59

Low Clouds (% Sky Obscured)

73
87
87
88
89
81
72
65
70
76
81
84
88
91
87
82
68
67
65
59
60
60
61
59

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)

1
0
0
0
0
0
0
0
0
0
0
9
17
25
28
29
25
27
22
12
9
12
10
9

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 (%)

12
11
13
13
12
15
17
18
20
21
23
22
21
19
16
11
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)

23
24
24
23
22
21
22
22
22
22
22
21
22
23
24
22
21
20
19
18
17
17
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
5
5
4
4
4
4
4
4
5
5
5
5
5
5
4
4
4
4
4

Relative Humidity (%)

74
74
74
74
74
74
74
74
73
73
73
70
72
70
69
72
73
74
72
70
69
69
70
69

Pressure (mb)

1031
1031
1030
1031
1031
1031
1031
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030

Ozone (du)

301
301
301
302
302
303
304
305
306
306
305
305
305
306
306
307
308
309
307
305
304
303
302
301

Monday 29

Waxing Gibbous 72%

12:11

03:28

Sun - Rise: 08:05, Set: 16:19, Transit: 12:12. Moon - Rise: 12:11, Set: 03:28. Civil Dark: 16:56 - 07:28. Nautical Dark: 17:37 - 06:47. Astro Dark: 18:16 - 06:08

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Salerie, Guernsey (49.46,-2.53)

Generated: 23/12/25 04:33:26. Forecast: 23/12/25 to 29/12/25. Timezone: UTC+0.00