Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waning Crescent 6%

03:53

18:56

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
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:05, Set: 19:29, Transit: 13:17. Moon - Rise: 03:53, Set: 18:56. Civil Dark: 20:05 - 06:29. Nautical Dark: 20:47 - 05:46. Astro Dark: 21:33 - 05:00

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

57
73
78
78
68
65
73
74
76
73
67
65
61
60
60
54
7
12
11
0
8
6
29
35

Medium Clouds (% Sky Obscured)

100
100
100
100
70
77
58
93
89
85
93
97
88
97
100
98
100
100
98
97
100
90
94
100

High Clouds (% Sky Obscured)

53
100
56
96
48
50
39
81
22
83
92
97
91
96
98
100
80
100
100
68
100
95
100
100

ISS Passover

Visibility (miles)

9
4
8
9
9
9
9
9
9
8
5
4
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 (%)

12
22
47
41
26
11
14
13
20
41
54
50
25
10
8
5
3
0
2
2
3
1
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
13
12
12
13
13
13
13
13
12
13
14
13
12
12
12
11
11
11
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
92
92
93
93
92
90
92
95
95
95
95
93
95
95
96
95
96
96
95
95
93

Pressure (mb)

1010
1010
1010
1011
1011
1011
1011
1012
1012
1012
1012
1012
1011
1011
1012
1012
1012
1012
1012
1013
1013
1012
1012
1012

Ozone (du)

268
268
268
269
272
271
271
270
270
271
270
270
272
274
275
276
278
279
281
282
283
285
288
289

Saturday 20

Waning Crescent 2%

05:15

19:04

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 OK
00 Good
01 Good
02 Good
03 Good

Sun - Rise: 07:07, Set: 19:26, Transit: 13:16. Moon - Rise: 05:15, Set: 19:04. Civil Dark: 20:02 - 06:31. Nautical Dark: 20:45 - 05:48. Astro Dark: 21:30 - 05:03

Total Clouds (% Sky Obscured)

100
100
100
100
91
100
93
100
100
100
98
100
100
100
100
100
100
100
53
6
0
0
0
0

Low Clouds (% Sky Obscured)

34
41
28
30
46
33
45
64
38
56
48
29
27
15
22
34
36
48
23
6
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
88
80
100
88
100
100
99
94
100
99
74
96
100
99
56
53
6
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
51
3
1
0
70
70
70
70
99
100
100
100
100
100
38
6
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
71
69
56
54
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
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

2
1
2
2
4
6
11
17
17
14
9
6
5
6
27
56
59
67
54
33
5
1
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
3
4
3
4
5
8
10
11
12
13
14
14
14
13
14
14
12
13
10
10
10
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
9
9
9
10
11
11
12
11
9
8
8
7
7
6
5
6
6
7
5
4
6
6

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
91
91
90
87
84
82
79
70
66
71
72
79
84
90
90
93
90
81
78
84
87

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1011
1011
1012
1013
1015
1016
1017
1017
1018
1019
1019

Ozone (du)

289
290
293
295
297
298
301
301
303
305
309
313
316
318
320
322
322
321
321
323
325
325
325
325

Sunday 21

New Moon 0%

06:34

19:10

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

Sun - Rise: 07:08, Set: 19:24, Transit: 13:16. Moon - Rise: 06:34, Set: 19:10. Civil Dark: 19:59 - 06:33. Nautical Dark: 20:42 - 05:50. Astro Dark: 21:27 - 05:05

Total Clouds (% Sky Obscured)

10
28
33
20
1
6
35
50
47
54
61
40
43
39
32
26
10
9
9
15
20
25
19
15

Low Clouds (% Sky Obscured)

10
26
32
20
0
6
35
47
47
54
38
40
43
37
28
22
1
2
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
14
1
0
0
0
0
0
0
0
0
0
0
2
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
9
2
35
28
26
10
9
9
15
20
25
19
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
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
1
1
4
6
14
17
15
14
4
5
4
2
0
0
0
1
0
0
0
1
1
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)

6
6
7
7
7
8
11
13
13
13
13
13
13
12
11
9
6
6
5
4
4
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
90
91
87
81
74
66
66
62
67
58
59
62
64
72
75
77
79
79
78
79
80
82

Pressure (mb)

1020
1020
1021
1022
1023
1024
1024
1025
1025
1025
1026
1026
1026
1027
1027
1028
1029
1029
1030
1030
1031
1031
1031
1031

Ozone (du)

325
326
326
329
331
332
331
329
325
325
326
325
324
321
320
319
316
314
311
309
309
308
307
305

Monday 22

Waxing Crescent 1%

07:52

19:17

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

Sun - Rise: 07:10, Set: 19:21, Transit: 13:16. Moon - Rise: 07:52, Set: 19:17. Civil Dark: 19:57 - 06:35. Nautical Dark: 20:39 - 05:52. Astro Dark: 21:24 - 05:07

Total Clouds (% Sky Obscured)

20
18
23
11
26
6
14
36
43
57
66
71
56
40
30
11
6
4
5
4
4
7
8
8

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
12
23
36
52
64
71
56
40
30
10
2
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
15
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
3
4
4
4
4

High Clouds (% Sky Obscured)

20
18
22
11
24
1
2
25
15
6
4
12
13
4
5
7
6
4
3
2
3
3
4
3

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 (%)

4
1
0
1
1
0
2
1
1
0
0
0
1
1
0
0
0
1
3
2
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)

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

Chance of Frost

Temperature (°C)

5
5
4
4
6
8
10
11
12
13
13
13
12
12
11
10
9
8
7
6
6
6
5
5

Feels Like (°C)

3
2
2
2
4
6
10
10
10
11
11
10
10
9
9
9
8
8
7
6
6
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

83
83
86
86
83
75
67
63
60
58
56
59
65
68
71
71
80
82
84
84
83
85
86
86

Pressure (mb)

1031
1031
1031
1032
1032
1033
1033
1033
1033
1033
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1031
1031

Ozone (du)

304
302
301
301
301
300
300
300
299
299
298
299
299
298
298
299
299
299
299
299
298
298
298
298

Tuesday 23

Waxing Crescent 3%

09:08

19:23

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

Sun - Rise: 07:12, Set: 19:19, Transit: 13:15. Moon - Rise: 09:08, Set: 19:23. Civil Dark: 19:54 - 06:36. Nautical Dark: 20:37 - 05:54. Astro Dark: 21:21 - 05:09

Total Clouds (% Sky Obscured)

11
16
20
25
31
42
49
58
74
69
65
58
43
31
22
37
36
44
49
53
58
65
70
72

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
6
11
31
29
32
20
7
0
0
19
24
36
33
33
37
44
50
58

Medium Clouds (% Sky Obscured)

5
7
9
11
13
17
25
37
43
41
37
36
27
18
12
12
8
3
13
22
23
11
5
0

High Clouds (% Sky Obscured)

3
3
3
5
5
24
4
2
0
7
15
22
18
12
6
0
0
0
0
0
0
4
8
12

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
5
6
6
5
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
4
6
8
9
11
12
12
12
12
11
11
11
10
9
8
8
7
7
7
6
7

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
89
86
81
73
67
63
60
60
61
63
65
75
84
85
88
90
91
90
90
91
93

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1029
1029
1029
1029
1029
1029
1030
1030
1031
1030
1030
1030
1030
1029

Ozone (du)

298
298
298
297
297
296
296
296
296
297
296
297
297
297
297
298
298
298
298
299
300
300
301
301

Wednesday 24

Waxing Crescent 7%

10:25

19:32

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
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:14, Set: 19:16, Transit: 13:15. Moon - Rise: 10:25, Set: 19:32. Civil Dark: 19:52 - 06:38. Nautical Dark: 20:34 - 05:56. Astro Dark: 21:18 - 05:12

Total Clouds (% Sky Obscured)

77
81
87
86
85
75
79
89
100
92
84
76
73
70
67
72
81
88
96
100
100
99
97
94

Low Clouds (% Sky Obscured)

62
64
65
55
45
35
52
68
84
76
63
53
47
42
37
43
49
55
49
44
42
54
63
72

Medium Clouds (% Sky Obscured)

0
0
3
2
3
0
0
0
0
0
0
0
8
19
29
25
22
19
23
23
21
30
35
42

High Clouds (% Sky Obscured)

26
41
55
60
45
45
58
72
76
64
53
42
37
30
22
43
64
81
71
61
50
27
13
0

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 (%)

8
9
8
9
10
8
10
13
17
17
13
3
14
14
6
5
15
13
14
12
7
12
14
12

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
93
93
90
87
84
80
79
76
72
70
68
72
77
82
84
85
87
88
90
91
91
93

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025

Ozone (du)

302
302
303
303
303
303
304
304
305
306
306
307
307
307
307
307
307
307
307
306
305
304
301
299

Thursday 25

Waxing Crescent 13%

11:43

19:43

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 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 OK

Sun - Rise: 07:16, Set: 19:13, Transit: 13:15. Moon - Rise: 11:43, Set: 19:43. Civil Dark: 19:49 - 06:40. Nautical Dark: 20:31 - 05:58. Astro Dark: 21:15 - 05:14

Total Clouds (% Sky Obscured)

88
90
91
91
93
95
96
96
97
82
69
55
44
34
22
27
35
43
37
29
23

Low Clouds (% Sky Obscured)

67
63
61
60
58
58
73
85
89
74
62
55
44
34
22
27
35
43
37
29
23

Medium Clouds (% Sky Obscured)

38
30
22
20
19
17
20
27
35
30
20
9
6
3
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

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

Fog (%)

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

Precipitation Probability (%)

19
23
19
25
26
30
19
21
24
28
34
30
36
33
15
19
16
6
8
6
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
11
11
11
11
11
12
12
13
14
14
14
14
13
13
12
11
10
9
9
9

Feels Like (°C)

10
9
9
9
10
10
9
10
10
9
13
12
12
13
14
14
10
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
91
90
88
87
81
77
71
70
68
66
74
81
88
90
90
90
90
90

Pressure (mb)

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

Ozone (du)

297
296
296
295
296
298
299
301
302
304
305
306
307
305
304
302
301
300
299
297
295

Forecast for Cathedral's Quarter, Belfast, United Kingdom (54.60,-5.93)

Generated: 19/09/25 04:32:28. Forecast: 19/09/25 to 25/09/25. Timezone: UTC+1.00