Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 2

Waxing Gibbous 100%

14:24

08:37

07 OK
08 Bad
09 OK
10 Good
11 Good
12 OK
13 OK
14 Good
15 OK
16 Good
17 OK
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

Sun - Rise: 08:45, Set: 16:10, Transit: 12:27. Moon - Rise: 14:24, Set: 08:37. Civil Dark: 16:54 - 08:01. Nautical Dark: 17:41 - 07:14. Astro Dark: 18:24 - 06:31

Total Clouds (% Sky Obscured)

25
28
41
2
3
34
24
4
18
4
9
51
50
56
55
44
55
60
68
75
72
76
55
52

Low Clouds (% Sky Obscured)

25
26
6
2
2
34
23
2
17
2
7
51
46
47
49
40
55
60
67
66
65
68
55
48

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
11
13
2
8
3
7
15
13
8
1
20

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
9
9
9
9
9
9
9
9
9
8
1
9
7
8
4
5
8
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 (%)

19
23
2
2
7
12
5
3
7
6
14
16
18
23
15
17
19
20
24
19
25
16
23
19

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
73
71
69
68
69
71
71
71
72
70
72
78
94
86
83
78
88
88
78
70
66
66
70

Pressure (mb)

1010
1011
1011
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015

Ozone (du)

339
346
331
318
310
301
297
294
296
291
292
299
305
311
319
329
335
340
337
335
335
340
344
340

Saturday 3

Full Moon 99%

15:48

09:31

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

Sun - Rise: 08:45, Set: 16:11, Transit: 12:28. Moon - Rise: 15:48, Set: 09:31. Civil Dark: 16:55 - 08:01. Nautical Dark: 17:42 - 07:14. Astro Dark: 18:25 - 06:30

Total Clouds (% Sky Obscured)

31
50
40
35
33
41
17
33
21
19
6
4
4
9
0
26
27
98
100
99
98
92
99
100

Low Clouds (% Sky Obscured)

26
43
31
31
24
34
17
28
17
19
6
4
4
9
0
25
25
38
36
43
44
46
47
54

Medium Clouds (% Sky Obscured)

18
37
9
0
0
0
0
0
0
0
0
0
0
0
0
5
5
23
38
38
27
28
29
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
64
66
61
64
15
2
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
9
7
7
7
5
7
7
7
1
4
4

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
Sleet

Precipitation Probability (%)

11
19
14
14
23
10
8
9
6
9
7
10
13
14
28
26
16
16
23
15
30
19
22
52

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
0.3

Wind Speed/Direction (mph)

10
10
11
11
12
12
13
13
12
10
10
9
8
8
8
7
8
8
7
8
8
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
67
67
70
71
68
57
59
63
65
70
73
77
75
78
81
77
89
86
77
81
94
92
86

Pressure (mb)

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

Ozone (du)

334
331
327
325
326
324
328
330
332
330
333
332
333
336
331
339
341
340
338
340
339
342
342
343

Sunday 4

Waning Gibbous 96%

17:24

10:03

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:44, Set: 16:13, Transit: 12:28. Moon - Rise: 17:24, Set: 10:03. Civil Dark: 16:56 - 08:00. Nautical Dark: 17:43 - 07:14. Astro Dark: 18:26 - 06:30

Total Clouds (% Sky Obscured)

100
100
99
83
65
54
47
36
48
40
35
78
95
91
91
68
59
70
66
65
62
59
59
41

Low Clouds (% Sky Obscured)

56
54
51
49
48
38
38
36
48
40
35
49
52
56
53
49
47
43
36
30
36
41
47
36

Medium Clouds (% Sky Obscured)

100
96
64
71
65
54
47
36
48
40
35
76
93
46
51
21
21
28
32
50
46
34
25
20

High Clouds (% Sky Obscured)

2
2
5
14
23
3
3
21
8
2
2
2
1
0
1
2
2
0
2
2
13
13
3
1

ISS Passover

Visibility (miles)

0
0
5
3
0
0
0
2
7
9
9
0
0
0
0
0
0
0
0
0
1
7
8
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

None
None
None
None
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

33
19
30
38
41
27
23
20
18
18
27
39
28
20
18
18
17
19
17
22
21
22
8
8

Precipitation Amount (mm)

0
0
0
0
0.1
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
8
9
10
10
9
9
9
9
10
10
9
8
7
7
7
7
8
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-4
-4
-4
-3
-2
-2
-2
-3
-3
-3
-3
-3
-3
-3
-3
-3
-4
-4
-4
-3
-4

Dew Point (°C)

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

Relative Humidity (%)

100
98
96
92
96
96
98
93
85
88
89
98
98
98
96
96
96
98
98
98
98
92
96
98

Pressure (mb)

1018
1018
1018
1018
1018
1017
1017
1017
1017
1016
1016
1016
1016
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

346
349
350
352
353
359
371
378
382
379
378
382
383
388
389
387
384
386
390
390
391
392
389
391

Monday 5

Waning Gibbous 90%

18:59

10:23

07 OK
08 Good
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
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

Sun - Rise: 08:44, Set: 16:14, Transit: 12:29. Moon - Rise: 18:59, Set: 10:23. Civil Dark: 16:58 - 08:00. Nautical Dark: 17:44 - 07:14. Astro Dark: 18:28 - 06:30

Total Clouds (% Sky Obscured)

39
2
5
10
25
36
25
30
31
27
25
42
56
73
68
73
77
87
94
100
99
99
98
95

Low Clouds (% Sky Obscured)

19
0
5
9
14
19
24
28
29
24
23
22
18
18
13
7
2
14
27
40
43
59
58
50

Medium Clouds (% Sky Obscured)

14
0
0
1
10
13
1
1
1
0
0
21
38
41
33
42
77
87
94
100
99
99
98
95

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
3
3
21
24
32
44
77
70
62
60
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 (%)

6
3
7
7
3
3
3
2
4
4
2
3
3
1
3
3
1
2
2
0
2
2
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
92
92
89
89
88
86
91
92
94
92
92
92
94
94
92
92
92
94
92
94
94
92

Pressure (mb)

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

Ozone (du)

382
377
378
385
386
379
373
367
363
355
353
352
350
348
346
347
349
350
352
355
358
361
363
364

Tuesday 6

Waning Gibbous 83%

20:29

10:36

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 OK
21 OK
22 OK
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:43, Set: 16:15, Transit: 12:29. Moon - Rise: 20:29, Set: 10:36. Civil Dark: 16:59 - 08:00. Nautical Dark: 17:45 - 07:13. Astro Dark: 18:29 - 06:30

Total Clouds (% Sky Obscured)

92
88
89
91
92
88
68
55
47
42
36
45
34
32
29
26
24
31
40
47
56
62
72
63

Low Clouds (% Sky Obscured)

60
56
40
75
77
75
44
32
25
23
23
28
26
29
24
22
21
26
32
40
37
31
26
23

Medium Clouds (% Sky Obscured)

92
88
88
85
85
75
42
14
8
3
0
20
12
0
0
0
0
0
0
0
0
0
4
2

High Clouds (% Sky Obscured)

17
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
5
17

ISS Passover

Visibility (miles)

9
9
9
6
0
1
7
4
7
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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

17
26
52
66
45
37
36
25
26
24
7
48
36
7
10
9
4
8
9
5
12
10
7
14

Precipitation Amount (mm)

0
0
0
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
89
89
91
98
98
94
96
93
91
93
92
89
89
89
89
91
91
91
92
92
92
92
92

Pressure (mb)

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

Ozone (du)

364
363
362
364
368
370
372
376
379
383
382
379
376
373
370
363
356
349
347
345
343
346
349
352

Wednesday 7

Waning Gibbous 74%

21:53

10:45

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:43, Set: 16:17, Transit: 12:30. Moon - Rise: 21:53, Set: 10:45. Civil Dark: 17:00 - 07:59. Nautical Dark: 17:46 - 07:13. Astro Dark: 18:30 - 06:29

Total Clouds (% Sky Obscured)

55
57
59
59
55
63
70
78
60
46
35
39
40
47
48
54
62
58
53
52
59
59
65
64

Low Clouds (% Sky Obscured)

18
14
11
8
6
12
24
41
33
21
9
12
15
19
35
52
62
58
53
49
48
44
46
42

Medium Clouds (% Sky Obscured)

4
0
2
4
6
29
52
70
60
46
35
39
40
47
48
50
50
45
50
50
55
59
65
64

High Clouds (% Sky Obscured)

39
55
50
40
45
45
40
35
30
25
20
15
15
20
30
40
50
58
53
52
59
59
55
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
5
3
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

11
4
8
7
4
7
6
4
14
14
15
21
20
18
28
29
26
30
31
32
32
27
23
57

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
0.3

Wind Speed/Direction (mph)

9
9
9
10
11
11
12
12
12
13
14
14
14
14
13
11
10
8
7
6
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
91
89
88
88
91
91
91
91
91
94
96
98
98
98
98
98
98
98
100
100
100

Pressure (mb)

1016
1016
1016
1016
1016
1016
1015
1014
1014
1013
1013
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1009
1009
1009

Ozone (du)

354
356
359
352
346
339
329
319
309
306
302
299
300
301
302
305
307
309
311
314
316
318
321
323

Thursday 8

Waning Gibbous 64%

23:13

10:53

Sun - Rise: 08:42, Set: 16:18, Transit: 12:30. Moon - Rise: 23:13, Set: 10:53. Civil Dark: 17:01 - 07:59. Nautical Dark: 17:48 - 07:13. Astro Dark: 18:31 - 06:29

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: 02/01/26 07:02:01. Forecast: 02/01/26 to 08/01/26. Timezone: UTC+0.00