Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 31

Waxing Gibbous 72%

15:11

01:24

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:25, Set: 16:48, Transit: 12:07. Moon - Rise: 15:11, Set: 01:24. Civil Dark: 17:26 - 06:49. Nautical Dark: 18:09 - 06:07. Astro Dark: 18:50 - 05:25

Total Clouds (% Sky Obscured)

34
49
61
100
100
77
71
90
78
58
71
99
64
91
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

25
30
34
65
68
50
47
36
38
29
28
24
22
15
49
64
100
100
88
95
90
79
80
49

Medium Clouds (% Sky Obscured)

34
45
61
79
100
38
43
81
0
0
0
0
6
30
90
100
100
100
95
100
100
100
64
48

High Clouds (% Sky Obscured)

34
42
31
100
100
45
55
64
60
39
65
98
43
77
72
100
100
100
100
41
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
3
3
9
9
9
9
9
9
9
9
9
9
9
2
6
2
2
2
5
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain

Precipitation Probability (%)

6
8
61
83
95
84
45
67
28
2
0
0
1
6
22
91
95
95
95
95
95
85
59
88

Precipitation Amount (mm)

0
0
0.2
0.3
0.5
0.5
0
0.4
0
0
0
0
0
0
0
0.2
1.2
2.1
1.4
2.2
1.3
0.6
0
0.9

Wind Speed/Direction (mph)

15
12
12
16
18
19
15
13
13
14
13
13
13
12
10
7
7
7
5
6
9
14
12
14

Chance of Frost

Temperature (°C)

11
11
12
13
12
12
12
12
12
12
11
11
10
10
10
10
10
10
10
10
10
9
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
90
84
83
89
80
83
79
81
81
81
80
78
80
82
88
95
95
98
96
95
95
91
91

Pressure (mb)

989
989
989
988
987
987
987
987
987
987
988
988
989
988
988
988
987
985
983
983
983
984
986
987

Ozone (du)

288
288
290
291
292
295
294
295
298
301
303
303
305
303
303
303
305
307
310
314
312
310
309
311

Saturday 1

Waxing Gibbous 82%

15:20

02:52

07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
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: 07:27, Set: 16:46, Transit: 12:07. Moon - Rise: 15:20, Set: 02:52. Civil Dark: 17:24 - 06:51. Nautical Dark: 18:07 - 06:08. Astro Dark: 18:48 - 05:27

Total Clouds (% Sky Obscured)

87
100
58
63
27
29
18
24
29
38
90
100
100
100
100
90
85
82
69
57
43
85
87
100

Low Clouds (% Sky Obscured)

50
58
58
45
26
29
18
24
29
38
30
48
58
58
79
75
62
68
62
37
36
39
31
21

Medium Clouds (% Sky Obscured)

17
45
0
0
3
2
1
0
0
0
66
100
100
100
100
84
26
14
3
12
7
69
65
14

High Clouds (% Sky Obscured)

59
83
17
26
2
1
0
0
0
0
0
12
47
35
35
34
0
0
14
40
30
72
71
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
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
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

29
8
4
9
2
5
14
3
12
0
0
1
17
76
40
5
2
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
8
9
9
9
9
10
10
9
9
8
7
7
8
7
7
7
7
6
6
5
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
90
88
84
80
77
77
78
80
84
84
81
78
90
90
91
93
93
91
88
86
89
91

Pressure (mb)

989
990
992
993
994
995
995
996
996
996
997
997
997
997
997
997
997
997
997
998
998
998
999
999

Ozone (du)

312
311
311
309
311
316
323
324
321
317
317
318
321
325
327
330
336
332
326
323
318
321
322
319

Sunday 2

Waxing Gibbous 90%

15:28

04:23

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: 07:29, Set: 16:44, Transit: 12:07. Moon - Rise: 15:28, Set: 04:23. Civil Dark: 17:22 - 06:53. Nautical Dark: 18:05 - 06:10. Astro Dark: 18:47 - 05:29

Total Clouds (% Sky Obscured)

52
36
46
42
63
100
100
90
93
91
94
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

24
30
41
38
58
69
38
43
44
42
34
47
64
83
84
78
81
86
91
95
91
86
81
84

Medium Clouds (% Sky Obscured)

52
36
46
42
0
0
30
31
38
23
45
72
78
65
100
100
100
98
96
78
70
41
5
38

High Clouds (% Sky Obscured)

40
36
40
1
0
40
100
35
35
47
37
65
100
99
100
100
100
100
100
100
100
100
100
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
7
9
5
9
4
6
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
2
3
8
5
2
7
3
4
22
45
70
95
95
95
85
81
80
66
53
19
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
1.2
1.7
1.1
0.5
0.4
0.4
0.3
0
0
0

Wind Speed/Direction (mph)

9
11
12
14
15
17
17
15
14
13
12
12
12
12
13
14
15
17
18
18
19
18
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
88
87
84
81
81
77
78
82
85
84
88
93
91
91
91
93
92
93
92
92
92
89

Pressure (mb)

1000
1000
1001
1001
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003
1002
1001
1000
999
998
998
997
997
997
997

Ozone (du)

314
316
318
322
322
318
310
304
300
298
294
290
287
289
287
286
285
283
283
280
278
279
281
282

Monday 3

Waxing Gibbous 96%

15:37

05:59

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: 07:31, Set: 16:42, Transit: 12:07. Moon - Rise: 15:37, Set: 05:59. Civil Dark: 17:21 - 06:55. Nautical Dark: 18:03 - 06:12. Astro Dark: 18:45 - 05:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
100
99
99
89
78
98
99
100
100
100
100
91
42
40
44

Low Clouds (% Sky Obscured)

86
88
81
76
71
75
79
83
76
77
72
41
37
43
44
51
54
53
53
53
47
40
37
42

Medium Clouds (% Sky Obscured)

53
75
96
98
100
96
93
84
59
22
0
0
0
0
4
9
9
15
16
20
14
7
0
0

High Clouds (% Sky Obscured)

100
100
86
100
100
100
64
62
62
75
61
96
79
55
95
96
100
77
60
55
55
3
3
0

ISS Passover

Visibility (miles)

9
9
5
9
6
5
4
9
6
9
7
9
9
9
9
9
9
9
9
9
8
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
Very Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
30
52
45
63
78
82
72
62
61
52
32
19
16
15
13
14
7
16
16
9
17
2
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
14
14
14
15
16
15
16
15
15
14
15
16
17
18
17
16
15
15
14
14
14
14
13

Chance of Frost

Temperature (°C)

13
13
13
13
14
14
14
14
14
14
14
14
13
13
13
13
13
12
12
12
12
12
11
11

Feels Like (°C)

9
9
9
10
10
10
11
9
10
10
11
9
8
9
9
8
8
9
8
9
9
8
9
9

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
93
92
90
92
90
90
90
93
84
86
87
87
87
87
90
89
90
90
88
90
90

Pressure (mb)

997
997
997
996
996
996
996
996
995
995
996
996
996
997
997
997
997
998
998
998
999
999
1000
1000

Ozone (du)

280
280
280
280
281
281
283
282
282
282
281
282
282
283
282
284
285
285
288
287
289
291
291
288

Tuesday 4

Waxing Gibbous 99%

15:47

No Set

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

Sun - Rise: 07:33, Set: 16:40, Transit: 12:07. Moon - Rise: 15:47, Set: No Set. Civil Dark: 17:19 - 06:57. Nautical Dark: 18:02 - 06:14. Astro Dark: 18:43 - 05:32

Total Clouds (% Sky Obscured)

55
61
60
53
50
60
58
70
91
76
78
39
30
18
33
48
63
54
43
35
51
72
93
91

Low Clouds (% Sky Obscured)

53
60
57
38
26
29
19
19
24
31
32
12
6
0
5
9
12
25
37
35
51
64
74
77

Medium Clouds (% Sky Obscured)

0
0
5
13
20
30
37
48
43
36
29
0
1
1
5
9
15
32
43
35
51
65
61
46

High Clouds (% Sky Obscured)

0
0
0
0
1
23
47
70
91
76
78
17
21
17
30
43
56
54
43
35
51
71
84
73

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
4
1
1
0
0
3
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
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

2
1
9
2
0
1
1
2
17
17
15
0
0
0
4
7
5
33
52
65
70
62
50
36

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0
0

Wind Speed/Direction (mph)

13
12
12
12
12
12
10
9
8
6
5
5
4
4
3
4
4
4
5
5
5
6
6
6

Chance of Frost

Temperature (°C)

11
11
11
12
12
13
13
13
13
12
11
11
10
9
9
10
10
11
11
12
13
12
11
11

Feels Like (°C)

8
8
8
8
10
11
12
13
13
11
12
11
9
10
10
9
9
9
10
10
10
10
9
8

Dew Point (°C)

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

Relative Humidity (%)

90
91
88
86
84
81
82
80
82
89
93
93
93
95
93
96
98
98
98
98
98
96
96
93

Pressure (mb)

1001
1002
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1003
1003
1003
1002
1002
1002
1001
1001

Ozone (du)

287
284
282
284
285
285
285
287
285
284
283
283
283
283
283
282
282
281
280
279
278
280
282
283

Wednesday 5

Full Moon 100%

16:02

07:40

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: 07:35, Set: 16:38, Transit: 12:07. Moon - Rise: 16:02, Set: 07:40. Civil Dark: 17:17 - 06:58. Nautical Dark: 18:00 - 06:15. Astro Dark: 18:42 - 05:34

Total Clouds (% Sky Obscured)

89
89
92
93
94
96
98
100
97
95
92
86
86
85
94
98
98
70
43
15
31
48
70
66

Low Clouds (% Sky Obscured)

81
85
79
72
66
69
57
48
57
69
83
81
80
78
69
60
56
44
30
15
29
42
58
51

Medium Clouds (% Sky Obscured)

31
17
32
48
65
71
77
80
72
69
69
61
53
45
54
52
46
34
15
0
0
0
0
16

High Clouds (% Sky Obscured)

72
66
66
65
73
82
90
100
97
95
92
86
86
80
47
20
0
0
0
0
0
0
0
8

ISS Passover

Visibility (miles)

9
8
8
6
4
2
5
7
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

33
30
27
30
38
57
73
74
64
46
26
27
19
10
44
62
85
95
95
78
53
28
5
11

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.4
0.4
0.3
0
0
0
0
0
0
0.3
0.4
0.8
0.8
0.4
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
9
10
11
12
12
13
13
12
11
10
9
9
9
9
10
10
10
10
9
9
9
8

Feels Like (°C)

8
8
7
8
8
9
8
8
8
9
9
9
5
5
5
5
5
5
5
4
4
4
3
3

Dew Point (°C)

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

Relative Humidity (%)

93
95
95
95
95
96
95
93
92
89
87
82
84
82
82
81
80
77
76
74
72
73
72
73

Pressure (mb)

1000
1000
1000
999
998
997
996
995
994
994
994
994
994
994
994
994
993
993
993
994
994
994
995
996

Ozone (du)

282
281
280
280
281
281
281
281
281
285
288
292
294
296
299
300
302
304
305
307
308
314
319
325

Thursday 6

Waning Gibbous 96%

16:26

09:23

Sun - Rise: 07:37, Set: 16:36, Transit: 12:07. Moon - Rise: 16:26, Set: 09:23. Civil Dark: 17:15 - N/A. Nautical Dark: 17:58 - 06:17. Astro Dark: 18:40 - 05:35

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: 31/10/25 07:27:50. Forecast: 31/10/25 to 06/11/25. Timezone: UTC+0.00