Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Crescent 25%

12:51

20:16

08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 Good
15 Good
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

Sun - Rise: 08:13, Set: 16:07, Transit: 12:10. Moon - Rise: 12:51, Set: 20:16. Civil Dark: 16:50 - 07:33. Nautical Dark: 17:35 - 06:47. Astro Dark: 18:18 - 06:04

Total Clouds (% Sky Obscured)

28
31
28
21
24
22
18
8
57
62
80
85
56
78
95
89
86
89
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

21
18
21
19
22
20
6
2
16
17
7
11
4
0
0
0
0
0
24
60
72
70
99
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
10
37
34
33
70
41
58
85
48
100
99
100
99
99

High Clouds (% Sky Obscured)

0
0
0
0
0
3
13
5
57
62
80
46
7
68
65
68
72
56
91
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
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
19
2
5
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
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
13
33
46

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
86
83
78
77
81
85
89
88
89
89
89
89
88
88
86
88
86
88
90
90
90
87

Pressure (mb)

1017
1018
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1020
1020
1020
1019
1018
1018
1017
1017
1016
1015

Ozone (du)

289
286
286
282
281
281
280
278
277
277
274
273
275
275
275
277
275
275
274
271
270
269
268
268

Wednesday 26

Waxing Crescent 34%

13:07

21:40

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
07 Bad

Sun - Rise: 08:15, Set: 16:06, Transit: 12:11. Moon - Rise: 13:07, Set: 21:40. Civil Dark: 16:49 - 07:34. Nautical Dark: 17:34 - 06:49. Astro Dark: 18:17 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
98
100
100
97
100
100
100
100
100
97
99
100
100
99
92
100
97
100
97
100

Low Clouds (% Sky Obscured)

100
95
100
100
97
100
97
88
86
89
94
95
73
76
75
89
72
93
62
100
94
93
73
83

Medium Clouds (% Sky Obscured)

95
100
96
95
50
52
50
49
57
58
99
54
81
78
97
99
100
83
89
90
91
93
64
74

High Clouds (% Sky Obscured)

99
71
100
35
30
27
100
40
77
100
100
100
95
78
44
46
100
94
46
40
67
95
73
100

ISS Passover

Visibility (miles)

8
8
9
9
9
9
9
9
9
7
0
0
0
2
9
9
9
9
9
9
9
5
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

59
93
84
85
49
26
23
12
7
1
0
2
2
4
11
44
40
46
28
42
59
34
41
34

Precipitation Amount (mm)

0
1
0.7
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.3
0
0
0

Wind Speed/Direction (mph)

7
7
7
7
7
6
6
5
5
6
5
5
5
6
7
7
9
9
10
10
11
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
7
8
8
8
8
9
9
9
9
9
9
10
10
10
11
11
11
11
11
11
11
11
11

Relative Humidity (%)

88
96
98
98
96
96
96
98
98
98
98
98
100
98
98
98
96
95
95
95
95
93
93
93

Pressure (mb)

1015
1015
1014
1014
1013
1012
1012
1011
1011
1011
1011
1011
1011
1010
1010
1010
1009
1008
1008
1007
1006
1006
1005
1004

Ozone (du)

266
266
267
266
267
266
263
263
263
263
262
263
262
262
261
260
259
260
260
260
261
261
263
264

Thursday 27

Waxing Crescent 45%

13:18

23:03

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

Sun - Rise: 08:17, Set: 16:05, Transit: 12:11. Moon - Rise: 13:18, Set: 23:03. Civil Dark: 16:48 - 07:36. Nautical Dark: 17:33 - 06:50. Astro Dark: 18:17 - 06:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
53
35
39
49
53
39
55
59
63
66
62
67
87
100
97
100

Low Clouds (% Sky Obscured)

97
100
65
76
81
84
72
56
39
35
39
49
53
39
55
59
55
49
43
45
47
45
52
61

Medium Clouds (% Sky Obscured)

80
91
94
75
30
85
39
45
16
0
0
0
0
0
0
0
8
31
41
34
56
100
93
99

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
1
0
0
0
0
0
0
2
18
36
36
3
1
0
0
30

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

Precipitation Probability (%)

19
6
9
25
55
91
56
17
0
0
0
0
1
1
1
3
0
1
0
0
0
4
32
54

Precipitation Amount (mm)

0
0
0
0
0
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
10
10
10
10
8
8
7
7
6
5
4
4
4
3
3
2
2
2
3
2
3
2

Dew Point (°C)

12
12
12
12
12
12
10
10
9
8
7
6
6
6
5
5
5
5
5
5
5
5
4
4

Relative Humidity (%)

93
92
93
92
90
90
83
86
84
85
84
85
85
85
84
85
84
81
81
85
85
82
82
81

Pressure (mb)

1004
1004
1004
1003
1002
1002
1003
1003
1004
1004
1005
1005
1006
1006
1006
1006
1006
1006
1005
1005
1004
1004
1003
1002

Ozone (du)

262
260
259
258
257
259
261
265
270
280
277
278
281
281
281
284
286
285
287
289
294
300
307
307

Friday 28

First Quarter 55%

13:27

00:27

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 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 08:18, Set: 16:04, Transit: 12:11. Moon - Rise: 13:27, Set: 00:27. Civil Dark: 16:47 - 07:37. Nautical Dark: 17:33 - 06:51. Astro Dark: 18:16 - 06:08

Total Clouds (% Sky Obscured)

100
91
81
73
57
74
100
71
59
48
44
42
39
68
65
66
73
44
51
52
49
60
69
94

Low Clouds (% Sky Obscured)

68
67
69
70
50
45
42
43
39
39
36
35
39
39
42
42
47
44
51
52
45
38
39
39

Medium Clouds (% Sky Obscured)

98
72
46
20
28
60
100
56
31
9
5
3
1
65
65
66
71
1
1
4
9
19
23
87

High Clouds (% Sky Obscured)

25
25
4
0
0
0
0
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
8
6
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 (%)

54
46
29
6
14
5
4
10
8
2
5
3
0
2
4
1
2
1
0
2
2
0
9
8

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
15
16
16
16
16
15
14
14
14
13
12
12
11
10
9
9
8
7
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
91
91
85
77
78
81
82
82
83
83
85
86
86
88
89
93
96
94
94
94
94
94

Pressure (mb)

1001
1001
1002
1001
1001
1001
1001
1001
1002
1002
1002
1002
1003
1003
1002
1002
1002
1001
1001
1000
1000
1000
1000
1000

Ozone (du)

305
305
307
311
314
315
314
308
313
319
326
328
328
328
331
335
339
340
342
346
347
346
344
342

Saturday 29

Waxing Gibbous 66%

13:35

01:53

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

Sun - Rise: 08:20, Set: 16:04, Transit: 12:12. Moon - Rise: 13:35, Set: 01:53. Civil Dark: 16:46 - 07:39. Nautical Dark: 17:32 - 06:53. Astro Dark: 18:15 - 06:09

Total Clouds (% Sky Obscured)

100
91
81
74
79
85
88
57
51
40
32
32
36
37
38
39
42
46
47
55
60
65
64
62

Low Clouds (% Sky Obscured)

39
35
32
30
64
79
76
18
19
21
27
29
33
32
32
35
35
35
39
38
34
29
30
27

Medium Clouds (% Sky Obscured)

100
87
60
51
60
74
82
33
22
9
0
0
0
0
0
0
0
0
0
0
0
0
5
8

High Clouds (% Sky Obscured)

0
0
5
1
0
1
0
0
0
0
0
0
0
0
0
0
0
1
1
10
20
30
23
26

ISS Passover

Visibility (miles)

9
9
9
9
9
3
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 (%)

3
7
8
12
51
51
23
25
16
8
15
12
4
19
12
5
13
14
6
15
19
9
9
6

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
7
9
10
11
9
8
9
10
11
7
7
7
6
6
5
5
5
5
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
89
88
90
93
93
85
83
83
82
79
79
83
85
89
89
89
88
88
88
86
88

Pressure (mb)

1000
1000
1000
1000
1000
1001
1001
1001
1002
1003
1004
1007
1008
1009
1010
1010
1011
1012
1012
1013
1013
1013
1014
1014

Ozone (du)

340
336
335
335
335
335
335
336
335
336
337
335
333
331
333
335
337
338
340
342
340
338
336
332

Sunday 30

Waxing Gibbous 77%

13:43

03:23

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
07 Bad

Sun - Rise: 08:22, Set: 16:03, Transit: 12:12. Moon - Rise: 13:43, Set: 03:23. Civil Dark: 16:46 - 07:40. Nautical Dark: 17:32 - 06:54. Astro Dark: 18:15 - 06:11

Total Clouds (% Sky Obscured)

59
56
55
53
61
68
76
84
92
100
100
100
100
100
100
100
100
100
100
99
97
97
89
81

Low Clouds (% Sky Obscured)

24
20
17
13
10
9
4
4
4
3
11
19
27
48
70
90
93
97
100
97
95
93
87
81

Medium Clouds (% Sky Obscured)

12
25
36
45
50
56
62
72
81
90
90
91
91
95
97
100
100
100
100
90
78
66
57
47

High Clouds (% Sky Obscured)

21
19
15
17
30
43
58
73
87
100
100
100
100
100
100
100
100
100
100
75
49
22
15
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
5
3
4
5
6
5
3
2
4
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

4
4
2
1
0
0
0
1
0
0
12
28
51
84
95
95
95
95
95
95
95
78
56
34

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.7
0.9
0.8
0.6
0.9
1
0.7
0.4
0
0

Wind Speed/Direction (mph)

4
3
3
3
3
3
3
3
3
4
4
6
7
9
10
11
12
13
15
16
14
13
12
11

Chance of Frost

Temperature (°C)

1
1
2
4
5
4
4
4
4
3
3
4
5
6
6
6
7
7
8
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
81
79
76
79
80
83
85
89
91
89
89
90
90
90
91
93
93
95
95
93
93
90

Pressure (mb)

1015
1015
1015
1014
1014
1014
1013
1013
1012
1011
1010
1009
1008
1007
1005
1004
1002
1001
1000
999
999
999
999
999

Ozone (du)

329
325
323
320
318
314
310
307
302
298
294
290
286
281
279
278
276
273
271
268
271
274
276
280

Monday 1

Waxing Gibbous 86%

13:52

04:58

Sun - Rise: 08:23, Set: 16:02, Transit: 12:13. Moon - Rise: 13:52, Set: 04:58. Civil Dark: 16:45 - 07:41. Nautical Dark: 17:31 - 06:55. Astro Dark: 18:14 - 06:12

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: 25/11/25 07:33:02. Forecast: 25/11/25 to 01/12/25. Timezone: UTC+0.00