Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 12

Waning Crescent 35%

03:05

11:26

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 08:39, Set: 16:25, Transit: 12:32. Moon - Rise: 03:05, Set: 11:26. Civil Dark: 17:07 - 07:56. Nautical Dark: 17:53 - 07:11. Astro Dark: 18:36 - 06:27

Total Clouds (% Sky Obscured)

78
71
76
100
100
100
100
78
89
98
99
99
99
82
71
77
72
65
100
100
100
100
98
75

Low Clouds (% Sky Obscured)

59
71
76
77
75
86
66
62
68
68
86
92
85
77
71
72
57
46
83
73
74
81
55
71

Medium Clouds (% Sky Obscured)

0
0
0
55
100
100
100
34
65
80
96
79
92
54
55
55
16
19
45
40
40
100
97
48

High Clouds (% Sky Obscured)

1
16
51
100
100
100
48
3
6
4
53
16
3
65
33
0
0
0
35
30
35
100
43
61

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
1
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
8
2
0
3
1
1
1
2
4
22
45
25
18
19
13
6
6
6
11
6
3
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
5
5
5
5
5
5
6
6
6
6
6
6
6
5
5
5
6
5
4
3
3
3

Relative Humidity (%)

84
85
78
81
81
82
85
87
88
87
85
85
82
81
85
84
88
90
91
88
85
83
85
85

Pressure (mb)

988
988
989
989
989
990
990
991
991
992
991
991
991
992
992
993
993
994
995
995
996
996
996
997

Ozone (du)

320
320
322
321
319
316
319
324
328
333
335
335
332
329
328
328
327
327
326
328
331
340
348
342

Tuesday 13

Waning Crescent 26%

04:23

11:41

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 OK
15 OK
16 OK
17 OK
18 Good
19 Good
20 OK
21 Good
22 OK
23 OK
00 OK
01 OK

Sun - Rise: 08:38, Set: 16:26, Transit: 12:32. Moon - Rise: 04:23, Set: 11:41. Civil Dark: 17:09 - 07:55. Nautical Dark: 17:54 - 07:10. Astro Dark: 18:37 - 06:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
79
81
91
95
58
42
42
28
27
0
0
24
0
35
33
36
37

Low Clouds (% Sky Obscured)

92
92
94
96
99
92
81
56
47
47
48
39
40
42
28
27
0
0
23
0
33
33
36
36

Medium Clouds (% Sky Obscured)

50
100
100
100
100
100
99
64
60
65
79
27
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

72
100
100
100
100
100
91
70
60
5
0
0
0
0
0
0
0
0
0
0
0
0
0
4

ISS Passover

Visibility (miles)

9
9
9
8
0
4
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

30
82
89
95
95
87
57
41
21
9
7
15
1
2
2
16
2
2
1
3
2
1
1
1

Precipitation Amount (mm)

0
0.7
0.6
0.9
1.1
0.8
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
83
85
91
98
96
88
91
90
83
82
79
75
74
75
79
80
83
84
89
89
92
92
92

Pressure (mb)

997
997
997
997
998
998
999
1000
1000
1001
1001
1001
1002
1002
1003
1003
1004
1004
1005
1005
1006
1006
1006
1006

Ozone (du)

336
332
331
327
334
341
345
345
339
336
347
354
359
367
372
377
384
372
360
349
333
325
319
319

Wednesday 14

Waning Crescent 18%

05:40

12:03

02 OK
03 OK
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

Sun - Rise: 08:37, Set: 16:28, Transit: 12:32. Moon - Rise: 05:40, Set: 12:03. Civil Dark: 17:10 - 07:55. Nautical Dark: 17:56 - 07:09. Astro Dark: 18:39 - 06:26

Total Clouds (% Sky Obscured)

30
11
40
63
100
100
100
100
100
100
100
100
100
100
100
100
88
100
100
99
98
97
98
98

Low Clouds (% Sky Obscured)

28
6
0
1
0
9
7
9
5
5
5
5
86
83
100
100
85
70
58
62
60
59
66
72

Medium Clouds (% Sky Obscured)

5
11
40
63
91
94
94
100
100
100
100
97
100
100
100
61
65
100
100
97
95
89
90
87

High Clouds (% Sky Obscured)

6
11
33
45
60
73
100
100
100
100
100
100
100
92
35
0
0
35
35
30
25
20
25
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
1
8
5
5
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
3
20
24
17
44
69
68
90
95
90
95
90
50
22
5
2
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0.6
1.3
0.6
0.7
0.5
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
3
2
2
3
3
4
4
5
7
8
9
9
10
12
13
10
8
7
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
87
87
87
86
84
81
77
88
96
94
94
94
93
89
90
91
93
94
94
96
96
96

Pressure (mb)

1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1005
1004
1003
1001
1000
1000
999
999
999
999
998
998
998
998

Ozone (du)

318
317
320
323
326
325
331
328
331
333
332
335
341
350
353
359
362
361
365
367
369
371
373
374

Thursday 15

Waning Crescent 11%

06:51

12:36

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

Sun - Rise: 08:36, Set: 16:30, Transit: 12:33. Moon - Rise: 06:51, Set: 12:36. Civil Dark: 17:12 - 07:54. Nautical Dark: 17:57 - 07:08. Astro Dark: 18:40 - 06:25

Total Clouds (% Sky Obscured)

98
93
86
81
87
91
76
79
95
95
83
71
58
60
58
60
65
71
73
64
59
42
56
71

Low Clouds (% Sky Obscured)

78
77
77
79
66
77
64
60
52
48
47
45
41
40
39
40
37
37
32
23
15
10
15
19

Medium Clouds (% Sky Obscured)

85
63
42
16
23
26
10
29
62
79
65
54
58
60
58
60
63
71
73
64
59
42
56
71

High Clouds (% Sky Obscured)

25
25
9
0
0
0
0
0
0
0
0
13
2
0
36
35
2
9
13
55
55
42
55
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
3
1
0
2
1
0
3
1
0
2
1
0
1
0
1
0
0
1
1
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
3
3
3
2
3
3
4
4
4
4
3
3
2
1
1
1
1
1
0
0

Relative Humidity (%)

96
98
98
98
96
96
96
96
96
93
91
91
91
93
93
94
94
94
96
96
96
98
96
96

Pressure (mb)

998
998
998
998
998
998
998
998
998
998
998
998
997
997
997
997
996
997
997
997
997
997
997
997

Ozone (du)

374
374
373
375
373
376
383
382
376
374
373
372
374
376
382
394
410
423
426
425
425
422
420
421

Friday 16

Waning Crescent 6%

07:49

13:26

02 Bad
03 Bad
04 OK
05 OK
06 OK
07 OK
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

Sun - Rise: 08:35, Set: 16:31, Transit: 12:33. Moon - Rise: 07:49, Set: 13:26. Civil Dark: 17:13 - 07:53. Nautical Dark: 17:59 - 07:08. Astro Dark: 18:42 - 06:25

Total Clouds (% Sky Obscured)

92
59
37
20
31
37
56
82
65
61
66
66
71
78
95
98
99
93
91
90
82
78
73
68

Low Clouds (% Sky Obscured)

21
17
14
11
11
11
12
15
18
20
24
27
29
46
61
69
73
81
84
81
77
74
73
68

Medium Clouds (% Sky Obscured)

84
26
16
0
0
0
0
15
24
32
29
25
17
33
53
71
71
65
59
45
21
11
5
1

High Clouds (% Sky Obscured)

45
0
0
0
11
23
40
52
32
23
40
60
71
78
88
95
92
88
83
51
28
4
3
1

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
2
2
0
10
9
5
21
17
11
37
29
14
36
39
31
34
36
37
27
20
11
16
14

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
92
92
92
91
91
88
83
80
80
82
85
85
85
86
86
86
88
88
89
91
91

Pressure (mb)

997
997
997
997
997
998
998
999
999
1000
1000
1000
1001
1001
1002
1003
1004
1005
1006
1006
1007
1008
1008
1009

Ozone (du)

420
419
423
432
435
434
437
436
436
439
442
444
445
446
444
442
439
436
433
430
429
429
429
425

Saturday 17

Waning Crescent 2%

08:32

14:32

02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 OK
08 OK
09 OK
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 Bad
01 Bad

Sun - Rise: 08:34, Set: 16:33, Transit: 12:33. Moon - Rise: 08:32, Set: 14:32. Civil Dark: 17:15 - 07:52. Nautical Dark: 18:00 - 07:07. Astro Dark: 18:43 - 06:24

Total Clouds (% Sky Obscured)

63
60
53
46
43
30
27
29
38
44
54
67
81
80
77
77
74
73
71
76
82
86
92
96

Low Clouds (% Sky Obscured)

63
60
53
46
43
30
27
29
30
29
39
42
45
50
54
59
56
54
49
54
60
68
62
57

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
4
5
22
34
44
39
34
30
25
25
25
50
75

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
3
17
29
37
45
40
25
10
5
5
10
16
26
47
68
87

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 (%)

2
7
7
0
0
0
0
0
0
0
6
7
4
10
10
10
9
9
3
9
13
16
26
33

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
1
1
1
0
1
0
0
1
2
3
3
4
4
4
3
3
2
2
1
1
1
1
1

Relative Humidity (%)

91
93
93
93
93
94
94
94
91
89
86
88
86
88
90
91
93
91
88
85
85
86
86
86

Pressure (mb)

1009
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1013
1012
1012
1012
1013
1013
1013
1013
1012
1012
1012
1011
1011

Ozone (du)

421
418
418
418
418
409
399
389
390
391
393
389
385
382
378
375
371
372
372
372
370
368
365
358

Sunday 18

New Moon 0%

09:01

15:50

Sun - Rise: 08:32, Set: 16:35, Transit: 12:34. Moon - Rise: 09:01, Set: 15:50. Civil Dark: 17:17 - 07:51. Nautical Dark: 18:02 - 07:06. Astro Dark: 18:44 - 06:23

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 Cathedral's Quarter, Belfast, United Kingdom (54.60,-5.93)

Generated: 12/01/26 02:04:39. Forecast: 12/01/26 to 18/01/26. Timezone: UTC+0.00