Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 12

Waxing Crescent 10%

11:49

17:39

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

Sun - Rise: 07:48, Set: 16:27, Transit: 12:07. Moon - Rise: 11:49, Set: 17:39. Civil Dark: 17:07 - 07:08. Nautical Dark: 17:50 - 06:24. Astro Dark: 18:32 - 05:42

Total Clouds (% Sky Obscured)

90
67
90
44
1
0
17
1
6
3
2
18
18
19
17
6
6
20
2
5
34
21
11
31

Low Clouds (% Sky Obscured)

49
67
43
2
1
0
17
1
5
2
2
18
18
19
17
6
5
18
1
2
2
5
11
25

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
24
2
2
2

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
11
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
59
62
63
64
66
74
79
71
62
58
59
61
63
69
74
72
71
70
71
73
75
78

Pressure (mb)

1009
1010
1010
1010
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1014
1014
1015
1016
1016
1017
1017
1018
1018

Ozone (du)

238
239
241
243
244
243
243
243
246
250
255
262
264
265
267
267
265
266
267
270
274
274
274
276

Friday 13

Waxing Crescent 17%

12:31

18:42

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

Sun - Rise: 07:50, Set: 16:25, Transit: 12:07. Moon - Rise: 12:31, Set: 18:42. Civil Dark: 17:05 - 07:10. Nautical Dark: 17:49 - 06:26. Astro Dark: 18:31 - 05:44

Total Clouds (% Sky Obscured)

11
26
44
58
29
30
10
29
71
53
29
45
44
45
62
69
97
88
96
100
97
100
100
100

Low Clouds (% Sky Obscured)

10
26
43
57
24
16
3
1
43
38
4
29
34
32
48
38
16
37
48
4
2
1
0
0

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
12
2
2
2
0
4
0
13
3
0
36
50
0
0
0
0

High Clouds (% Sky Obscured)

2
4
0
7
4
4
3
29
33
18
25
20
7
7
17
31
94
76
88
100
97
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
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 (%)

1
1
0
0
0
1
1
1
0
0
0
0
1
1
1
0
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)

4
4
4
4
4
4
4
4
4
5
6
6
8
8
8
6
5
5
5
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
84
86
83
83
81
81
89
84
80
75
72
71
73
76
83
89
89
86
85
86
88
88
88

Pressure (mb)

1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018

Ozone (du)

276
275
275
275
277
279
280
279
278
278
277
278
280
281
281
281
280
279
279
280
278
276
275
274

Saturday 14

Waxing Crescent 25%

13:00

19:54

01 Bad
02 OK
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

Sun - Rise: 07:52, Set: 16:24, Transit: 12:08. Moon - Rise: 13:00, Set: 19:54. Civil Dark: 17:04 - 07:12. Nautical Dark: 17:48 - 06:28. Astro Dark: 18:30 - 05:46

Total Clouds (% Sky Obscured)

95
37
67
92
62
50
75
96
100
100
79
94
97
100
97
97
96
97
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
5
28
42
33
30
46
74
68
47
42
20
56
63
65
51
40
25
13
10
27
50
73
82

Medium Clouds (% Sky Obscured)

0
0
0
1
0
0
26
37
55
55
28
26
44
42
35
33
77
81
54
90
95
98
100
100

High Clouds (% Sky Obscured)

92
37
67
81
49
47
37
65
25
69
42
73
64
100
84
90
83
87
94
100
97
94
92
77

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
4
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
12
5
1
0
1
0
4
3
6
12
2
1
1
23
80
95
60

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
0

Wind Speed/Direction (mph)

4
5
5
5
5
4
5
5
5
6
8
9
10
11
11
9
8
10
9
10
10
11
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
91
89
91
86
77
86
79
76
76
75
77
76
76
80
82
79
79
75
67
66
87
90

Pressure (mb)

1017
1017
1016
1016
1015
1014
1014
1014
1013
1013
1012
1011
1010
1009
1009
1008
1007
1006
1006
1005
1004
1003
1002
1000

Ozone (du)

272
269
267
265
265
264
264
263
263
263
264
265
265
265
264
265
269
269
269
268
270
275
277
282

Sunday 15

Waxing Crescent 33%

13:20

21:11

01 Bad
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

Sun - Rise: 07:54, Set: 16:22, Transit: 12:08. Moon - Rise: 13:20, Set: 21:11. Civil Dark: 17:02 - 07:13. Nautical Dark: 17:46 - 06:29. Astro Dark: 18:29 - 05:47

Total Clouds (% Sky Obscured)

100
100
91
83
74
82
91
100
99
99
98
87
76
67
68
83
98
74
81
83
79
77
71
71

Low Clouds (% Sky Obscured)

91
100
87
74
53
49
45
38
50
63
76
70
64
58
65
71
76
68
69
72
56
41
43
47

Medium Clouds (% Sky Obscured)

91
75
53
67
56
71
86
100
92
81
75
68
57
55
16
48
94
49
33
21
14
7
0
0

High Clouds (% Sky Obscured)

16
66
61
46
40
53
73
100
96
93
90
68
47
25
18
60
51
34
17
0
25
35
45
32

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
5
3
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

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

Precipitation Probability (%)

67
79
72
51
17
12
10
2
31
59
91
95
95
39
20
12
6
18
17
20
26
24
19
17

Precipitation Amount (mm)

0.2
0.3
0.3
0
0
0
0
0
0
0
0.5
1
0.6
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
14
11
9
8
7
6
6
6
9
8
8
9
9
8
5
4
4
5
4
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
88
90
93
95
95
95
90
88
88
88
95
91
93
91
94
94
96
96
94
94
94
94

Pressure (mb)

999
998
997
996
996
995
994
994
993
993
992
991
990
989
988
988
988
988
988
988
988
987
987
987

Ozone (du)

290
293
292
290
289
291
290
289
293
294
296
298
301
308
318
316
309
306
312
312
309
307
306
308

Monday 16

Waxing Crescent 43%

13:34

22:28

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

Sun - Rise: 07:56, Set: 16:20, Transit: 12:08. Moon - Rise: 13:34, Set: 22:28. Civil Dark: 17:01 - 07:15. Nautical Dark: 17:45 - 06:31. Astro Dark: 18:27 - 05:49

Total Clouds (% Sky Obscured)

77
81
77
73
69
48
31
20
35
44
54
56
60
64
74
78
72
71
74
88
92
97
100
100

Low Clouds (% Sky Obscured)

65
80
77
73
67
25
13
1
12
27
36
47
55
59
51
42
35
26
20
14
15
12
13
15

Medium Clouds (% Sky Obscured)

0
0
10
14
22
25
31
20
12
2
0
0
0
0
20
39
54
54
55
55
60
60
60
71

High Clouds (% Sky Obscured)

35
35
30
35
35
20
20
20
20
15
10
8
10
13
37
61
68
46
27
18
45
73
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
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
Light Rain

Precipitation Probability (%)

13
4
12
7
3
7
4
1
3
3
2
12
14
14
23
19
2
3
1
0
22
36
52
73

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
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
96
96
96
96
94
93
88
85
87
84
82
78
79
80
80
83
85
88
85
83
82

Pressure (mb)

987
987
988
988
988
988
989
989
990
991
991
991
992
992
992
992
993
993
992
992
991
990
989
988

Ozone (du)

311
306
310
310
311
314
319
323
323
319
319
318
312
307
302
301
301
300
296
293
289
290
290
290

Tuesday 17

First Quarter 53%

13:45

23:46

01 Bad
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

Sun - Rise: 07:57, Set: 16:19, Transit: 12:08. Moon - Rise: 13:45, Set: 23:46. Civil Dark: 17:00 - 07:17. Nautical Dark: 17:44 - 06:33. Astro Dark: 18:26 - 05:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

24
29
53
72
92
94
95
95
96
98
100
98
96
93
89
84
80
78
72
70
75
79
83
88

Medium Clouds (% Sky Obscured)

84
94
96
98
100
100
100
100
100
100
100
97
94
90
85
75
67
66
71
74
78
79
85
87

High Clouds (% Sky Obscured)

100
100
100
100
100
99
98
96
97
99
100
100
100
100
100
100
100
99
98
97
96
95
94
94

ISS Passover

Visibility (miles)

9
9
9
8
7
5
4
3
2
3
3
4
5
7
8
9
9
9
7
4
2
4
7
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

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

Precipitation Probability (%)

86
93
81
76
76
95
95
95
95
95
95
95
95
95
95
92
64
74
77
86
91
90
78
87

Precipitation Amount (mm)

0.6
0.7
0.4
0.3
0.3
0.8
1.5
2.2
2.2
2.3
1.9
1.2
0.9
0.7
0.9
0.6
0
0.3
0.3
0.5
0.6
0.6
0.4
0.5

Wind Speed/Direction (mph)

12
14
17
18
18
20
19
18
18
17
15
14
9
8
12
11
10
9
9
8
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
3
4
4
5
6
6
7
7
7
7
8
8
8
7
7
7
7
8
8
8
8

Relative Humidity (%)

82
80
80
83
86
88
93
94
96
96
96
96
95
95
95
95
96
96
96
96
98
96
96
96

Pressure (mb)

986
984
983
980
978
976
974
973
971
970
969
968
968
967
967
968
968
969
969
969
970
970
970
971

Ozone (du)

291
291
292
293
293
294
298
302
306
308
309
311
316
321
325
330
334
339
338
338
338
337
336
335

Wednesday 18

Waxing Gibbous 63%

13:54

01:04

Sun - Rise: 07:59, Set: 16:17, Transit: 12:08. Moon - Rise: 13:54, Set: 01:04. Civil Dark: 16:58 - 07:19. Nautical Dark: 17:43 - 06:34. Astro Dark: 18:25 - 05:52

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: 12/11/26 01:47:53. Forecast: 12/11/26 to 18/11/26. Timezone: UTC+0.00