Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 18

Waning Crescent 3%

07:32

15:00

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 OK
03 OK
04 Good
05 Good
06 OK
07 OK

Sun - Rise: 08:01, Set: 16:16, Transit: 12:09. Moon - Rise: 07:32, Set: 15:00. Civil Dark: 16:57 - 07:22. Nautical Dark: 17:42 - 06:37. Astro Dark: 18:24 - 05:54

Total Clouds (% Sky Obscured)

90
85
93
84
64
51
65
52
46
82
95
95
70
85
77
68
48
36
25
30
5
4
22
29

Low Clouds (% Sky Obscured)

68
74
77
76
47
46
65
52
43
82
89
90
63
85
70
67
45
36
23
29
4
2
12
13

Medium Clouds (% Sky Obscured)

76
77
51
29
34
6
0
0
0
0
21
8
7
49
57
67
37
19
0
0
0
3
22
29

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
8
9
9
8
9
9
9
9
9
9
9
9
9
6
3
1
0
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

1
6
41
45
59
57
23
12
8
10
17
21
12
28
27
32
42
25
5
4
7
10
15
13

Precipitation Amount (mm)

0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
91
90
85
79
79
82
82
82
76
74
76
82
88
83
89
98
73
72
76
77
76
78

Pressure (mb)

1016
1015
1014
1014
1013
1012
1011
1011
1011
1011
1012
1012
1013
1014
1015
1016
1016
1017
1017
1018
1018
1018
1019
1019

Ozone (du)

269
271
275
280
280
279
276
275
278
282
288
293
294
291
290
295
313
327
331
328
320
312
306
307

Wednesday 19

Waning Crescent 1%

No Rise

15:13

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

Sun - Rise: 08:03, Set: 16:15, Transit: 12:09. Moon - Rise: No Rise, Set: 15:13. Civil Dark: 16:56 - 07:23. Nautical Dark: 17:41 - 06:38. Astro Dark: 18:23 - 05:56

Total Clouds (% Sky Obscured)

22
4
3
8
19
20
23
36
28
36
30
32
28
29
40
47
56
40
47
39
42
48
37
32

Low Clouds (% Sky Obscured)

14
2
1
6
19
20
23
35
27
36
30
32
28
29
29
26
37
38
41
33
40
46
35
31

Medium Clouds (% Sky Obscured)

1
2
0
1
0
0
0
0
2
9
17
25
20
29
40
47
56
40
47
39
7
48
1
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
2
1
0
0
2
2
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
8
7
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 (%)

14
16
13
22
21
13
15
15
18
18
18
28
15
19
19
28
11
9
5
3
2
2
3
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-1
-1
-1
-1
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
-1
-1
-2
-1

Relative Humidity (%)

78
77
74
71
68
67
66
67
71
74
74
74
76
77
76
76
77
78
83
83
83
81
78
81

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

312
310
306
307
305
300
304
306
305
311
312
312
308
307
307
305
306
310
307
304
302
299
298
299

Thursday 20

New Moon 0%

08:50

15:32

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

Sun - Rise: 08:04, Set: 16:14, Transit: 12:09. Moon - Rise: 08:50, Set: 15:32. Civil Dark: 16:55 - 07:25. Nautical Dark: 17:40 - 06:40. Astro Dark: 18:22 - 05:57

Total Clouds (% Sky Obscured)

1
1
1
0
3
0
0
0
0
0
0
2
1
45
88
99
88
83
100
99
98
97
98
99

Low Clouds (% Sky Obscured)

1
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
15
22
38
58

Medium Clouds (% Sky Obscured)

0
0
1
0
1
0
0
0
0
0
0
0
0
2
2
37
35
42
62
71
70
92
94
95

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
1
36
68
62
64
72
99
85
69
54
69
85

ISS Passover

Visibility (miles)

9
9
9
9
8
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
6
5
10
11
5
3
1
1
0
5
0
0
0
0
0
0
0
0
0
0
0
0
2

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)

7
8
8
9
10
11
11
10
7
6
5
4
3
4
4
3
3
3
3
3
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
78
72
68
65
65
66
70
76
77
76
78
80
81
83
86
87
86
84
86
84
84
84
81

Pressure (mb)

1021
1021
1021
1022
1022
1022
1022
1022
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1022

Ozone (du)

298
296
291
287
286
285
288
286
282
279
278
277
276
276
276
276
274
273
272
271
270
267
263
260

Friday 21

Waxing Crescent 2%

10:04

16:01

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

Sun - Rise: 08:06, Set: 16:12, Transit: 12:09. Moon - Rise: 10:04, Set: 16:01. Civil Dark: 16:54 - 07:26. Nautical Dark: 17:39 - 06:42. Astro Dark: 18:21 - 05:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
80
52
40
42
49
55
56
58
67
61
73

Low Clouds (% Sky Obscured)

76
87
94
100
97
94
91
92
93
93
87
81
69
55
42
39
42
49
55
56
58
55
52
50

Medium Clouds (% Sky Obscured)

97
97
99
100
100
100
100
100
100
100
93
100
99
47
12
0
3
5
5
6
10
18
13
44

High Clouds (% Sky Obscured)

98
99
100
100
100
100
100
100
100
100
69
26
13
7
5
0
0
2
3
3
8
13
3
17

ISS Passover

Visibility (miles)

9
9
9
9
9
1
3
0
3
8
4
2
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
Very Light Rain
Light Rain
Light Rain
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

Precipitation Probability (%)

10
38
63
94
95
95
95
95
95
89
72
54
25
18
11
3
4
3
3
19
30
44
43
37

Precipitation Amount (mm)

0
0
0.3
0.7
1
1.3
1.6
1.4
0.8
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
79
72
71
73
88
96
96
94
94
98
98
96
96
94
94
93
94
94
94
96
94
96
94

Pressure (mb)

1022
1021
1020
1019
1018
1017
1016
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1010

Ozone (du)

257
255
253
252
252
251
251
251
251
254
258
259
262
267
268
268
268
265
266
268
274
276
275
275

Saturday 22

Waxing Crescent 5%

11:07

16:44

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: 08:08, Set: 16:11, Transit: 12:10. Moon - Rise: 11:07, Set: 16:44. Civil Dark: 16:53 - 07:28. Nautical Dark: 17:38 - 06:43. Astro Dark: 18:20 - 06:00

Total Clouds (% Sky Obscured)

65
73
82
82
71
77
72
71
70
71
97
94
93
94
96
97
90
84
78
68
57
48
46
43

Low Clouds (% Sky Obscured)

45
43
40
38
30
27
26
26
24
24
26
32
45
45
48
55
54
53
54
48
41
33
29
22

Medium Clouds (% Sky Obscured)

6
28
29
23
16
43
45
50
60
65
96
92
88
90
92
96
78
59
40
27
13
0
0
0

High Clouds (% Sky Obscured)

10
8
21
10
7
8
17
25
19
30
68
36
4
2
1
0
0
0
0
0
0
0
6
16

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

Precipitation Probability (%)

14
12
7
3
11
9
5
9
6
3
30
36
46
63
79
95
94
77
43
28
15
2
3
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.7
0.6
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1008
1008
1007
1006
1006
1005
1005
1005
1005
1004
1004

Ozone (du)

274
273
273
273
274
273
273
272
272
273
272
270
268
266
267
268
269
271
273
274
274
274
274
275

Sunday 23

Waxing Crescent 10%

11:56

17:43

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: 08:10, Set: 16:10, Transit: 12:10. Moon - Rise: 11:56, Set: 17:43. Civil Dark: 16:52 - 07:30. Nautical Dark: 17:37 - 06:44. Astro Dark: 18:19 - 06:02

Total Clouds (% Sky Obscured)

42
53
66
77
80
83
86
86
90
95
95
95
95
93
90
88
91
93
95
94
91
91
92
96

Low Clouds (% Sky Obscured)

16
20
23
27
30
40
49
59
69
77
81
86
90
87
85
80
82
86
89
87
84
83
81
79

Medium Clouds (% Sky Obscured)

0
27
51
72
76
80
80
80
85
92
89
86
82
74
70
68
70
78
82
84
88
91
91
91

High Clouds (% Sky Obscured)

24
26
24
31
31
27
23
23
22
20
15
15
20
30
40
50
60
60
65
60
60
55
55
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
2
2
1
2

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
1
1
1
6
7
4
18
20
28
35
34
36
41
36
29
72
84
86
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.7
1.1
1.1
1.1
1.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
91
90
90
91
91
93
93
94
94
94
94
93
91
90
93
94
98
98
98
98
96

Pressure (mb)

1004
1004
1003
1003
1002
1001
1000
999
999
998
997
997
996
995
994
993
993
992
991
990
990
989
988
988

Ozone (du)

275
276
275
275
274
275
276
278
277
277
277
278
279
279
280
280
281
282
283
284
286
288
290
293

Monday 24

Waxing Crescent 17%

12:29

18:56

Sun - Rise: 08:12, Set: 16:09, Transit: 12:10. Moon - Rise: 12:29, Set: 18:56. Civil Dark: 16:51 - 07:31. Nautical Dark: 17:36 - 06:46. Astro Dark: 18:19 - 06:03

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: 18/11/25 07:21:46. Forecast: 18/11/25 to 24/11/25. Timezone: UTC+0.00