Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Crescent 25%

12:31

20:21

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

Sun - Rise: 07:57, Set: 16:11, Transit: 12:03. Moon - Rise: 12:31, Set: 20:21. Civil Dark: 16:50 - 07:18. Nautical Dark: 17:33 - 06:35. Astro Dark: 18:13 - 05:54

Total Clouds (% Sky Obscured)

0
1
1
4
12
2
3
3
3
2
3
25
20
16
53
34
69
98
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

0
1
1
4
12
2
0
0
0
0
0
0
0
0
53
34
46
36
14
0
0
14
46
84

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
11
8
11
30
8
49
23
26
47
48
52
59
98

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
2
2
2
2
2
2
2
16
98
100
100
100
100
100
81

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 (%)

2
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
75
71
69
69
74
75
76
79
82
83
85
85
83
82
82
80
80
82
83
85
86
86
85

Pressure (mb)

1017
1018
1018
1018
1019
1019
1020
1021
1021
1022
1022
1022
1022
1022
1023
1022
1022
1022
1022
1022
1021
1021
1021
1021

Ozone (du)

293
294
297
294
291
287
285
283
283
283
281
279
277
279
280
278
278
278
276
274
273
272
270
270

Wednesday 26

Waxing Crescent 34%

12:49

21:41

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
08 Bad
09 Bad

Sun - Rise: 07:59, Set: 16:10, Transit: 12:03. Moon - Rise: 12:49, Set: 21:41. Civil Dark: 16:49 - 07:19. Nautical Dark: 17:32 - 06:36. Astro Dark: 18:13 - 05:55

Total Clouds (% Sky Obscured)

100
95
95
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

94
85
87
93
100
100
100
100
100
91
89
80
84
100
98
99
86
99
99
93
94
92
88
94

Medium Clouds (% Sky Obscured)

96
79
87
96
40
55
98
47
52
46
48
35
43
46
51
89
84
78
100
99
100
95
86
91

High Clouds (% Sky Obscured)

62
8
37
22
100
48
72
93
64
100
100
100
100
100
100
98
82
84
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
9
9
9
9
9
7
7
7
7
7
8
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
43
44
44
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

17
25
29
27
31
12
31
47
46
58
32
23
21
11
7
9
12
40
46
47
72
81
44
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0
0.4
0
0
0
0
0
0
0
0
0
0
0.5
0.6
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
78
82
84
84
87
87
90
91
90
91
93
95
95
95
96
95
96
96
96
96
95
93
92

Pressure (mb)

1021
1020
1019
1018
1018
1017
1016
1016
1016
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012
1012

Ozone (du)

269
268
266
265
265
264
264
263
262
261
261
260
260
259
258
259
258
257
257
257
256
256
259
262

Thursday 27

Waxing Crescent 44%

13:03

23:01

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

Sun - Rise: 08:00, Set: 16:09, Transit: 12:04. Moon - Rise: 13:03, Set: 23:01. Civil Dark: 16:48 - 07:20. Nautical Dark: 17:31 - 06:37. Astro Dark: 18:12 - 05:56

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
100
100
96
25
15
10
13
16
13
12
13
6
20
23
96
95
99
99

Low Clouds (% Sky Obscured)

87
81
92
100
100
91
100
90
75
25
15
10
13
16
13
12
13
6
20
23
56
48
37
56

Medium Clouds (% Sky Obscured)

95
100
74
91
88
65
67
78
0
0
0
0
13
16
13
12
13
0
0
0
9
21
85
44

High Clouds (% Sky Obscured)

100
100
82
87
47
5
27
42
41
6
3
3
2
6
13
12
13
6
0
0
1
2
10
0

ISS Passover

Visibility (miles)

8
5
6
1
2
0
1
1
7
9
9
9
9
9
9
8
8
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

40
66
84
73
59
55
77
69
13
5
6
13
11
15
20
22
18
19
24
24
29
16
23
54

Precipitation Amount (mm)

0
0.5
0.6
0.4
0.2
0
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
15
15
17
17
16
16
18
18
15
14
14
14
13
14
14
13
13
12
13
14
15
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
96
96
96
98
96
96
90
86
87
90
90
90
88
87
85
82
84
87
88
90
85
87

Pressure (mb)

1012
1012
1011
1010
1009
1009
1009
1009
1010
1011
1011
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010
1010
1009
1009

Ozone (du)

263
260
257
253
252
253
253
253
257
262
263
267
272
273
271
273
275
278
279
280
281
284
286
288

Friday 28

First Quarter 55%

13:15

00:22

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
08 Bad
09 Bad

Sun - Rise: 08:02, Set: 16:08, Transit: 12:04. Moon - Rise: 13:15, Set: 00:22. Civil Dark: 16:48 - 07:22. Nautical Dark: 17:31 - 06:39. Astro Dark: 18:12 - 05:58

Total Clouds (% Sky Obscured)

100
100
98
98
35
56
100
100
99
97
96
96
97
98
97
97
96
96
98
92
68
68
39
92

Low Clouds (% Sky Obscured)

77
96
83
72
35
49
56
58
77
72
67
67
71
74
73
72
71
68
63
55
64
68
39
92

Medium Clouds (% Sky Obscured)

97
65
40
45
35
55
100
82
76
57
35
33
40
52
40
26
15
22
80
82
57
50
35
41

High Clouds (% Sky Obscured)

0
0
0
0
0
10
25
30
40
11
12
55
55
60
60
60
52
34
26
46
52
50
39
27

ISS Passover

Visibility (miles)

8
6
4
5
6
9
9
9
9
6
3
2
1
1
2
2
0
1
1
7
9
9
7
5

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

Precipitation Probability (%)

93
95
95
94
84
53
33
44
53
77
95
95
95
95
95
62
49
36
34
38
46
62
92
95

Precipitation Amount (mm)

0.7
0.8
0.8
0.7
0.6
0.2
0
0
0.3
0.6
0.8
1.8
1.9
0.9
0.9
0.3
0.2
0
0
0
0
0.3
0.8
0.9

Wind Speed/Direction (mph)

17
17
18
19
18
17
17
16
16
16
16
18
17
17
16
15
14
13
12
12
12
10
9
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
87
80
80
77
75
78
81
85
90
93
96
96
95
94
96
94
93
88
79
79
79
82

Pressure (mb)

1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1006
1005
1004
1004
1004
1003
1004
1004
1004
1004
1003
1003
1003
1003

Ozone (du)

291
295
299
305
306
309
309
310
310
310
309
310
312
316
320
324
331
334
338
343
341
343
347
346

Saturday 29

Waxing Gibbous 66%

13:26

01:45

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 OK
07 OK
08 OK
09 OK

Sun - Rise: 08:03, Set: 16:07, Transit: 12:04. Moon - Rise: 13:26, Set: 01:45. Civil Dark: 16:47 - 07:23. Nautical Dark: 17:30 - 06:40. Astro Dark: 18:11 - 05:59

Total Clouds (% Sky Obscured)

99
99
100
59
36
74
66
50
38
88
50
100
93
12
21
31
40
38
35
33
26
19
15
31

Low Clouds (% Sky Obscured)

97
72
75
59
36
63
57
46
38
60
50
74
76
12
21
31
40
38
35
33
26
19
15
31

Medium Clouds (% Sky Obscured)

98
97
97
26
33
53
36
7
22
75
50
66
65
12
21
31
23
13
4
0
2
3
5
11

High Clouds (% Sky Obscured)

13
0
3
3
3
17
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
93
86
75
59
58
48
53
65
57
64
95
65
42
38
23
29
23
17
17
15

Precipitation Amount (mm)

1.1
1.2
1
0.8
0.6
0.6
0.5
0.3
0.3
0
0.2
0.4
0.2
0.6
1.1
0.4
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
3
3
3
3
3
3
3
3
3
4
4
4
4
3
3
3
3
3
3
3
3
3

Relative Humidity (%)

78
75
74
75
74
75
78
78
81
81
81
85
84
81
83
82
82
80
82
82
82
83
83
85

Pressure (mb)

1003
1003
1002
1002
1002
1002
1003
1003
1004
1004
1005
1005
1006
1006
1007
1007
1008
1008
1008
1009
1009
1010
1010
1011

Ozone (du)

349
347
342
338
339
337
333
333
334
330
328
329
334
340
339
340
341
343
338
334
330
326
323
319

Sunday 30

Waxing Gibbous 77%

13:37

03:11

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
08 Bad
09 Bad

Sun - Rise: 08:04, Set: 16:06, Transit: 12:05. Moon - Rise: 13:37, Set: 03:11. Civil Dark: 16:46 - 07:24. Nautical Dark: 17:30 - 06:41. Astro Dark: 18:11 - 06:00

Total Clouds (% Sky Obscured)

43
55
58
53
48
63
82
100
99
99
99
97
93
90
89
91
92
85
84
80
97
99
100
100

Low Clouds (% Sky Obscured)

43
55
48
40
32
40
48
54
66
77
92
87
79
72
78
81
87
79
78
80
90
92
96
93

Medium Clouds (% Sky Obscured)

14
19
15
15
16
41
67
92
84
76
67
69
67
63
57
59
61
51
43
40
68
71
70
74

High Clouds (% Sky Obscured)

1
2
2
4
2
3
8
10
19
18
17
13
14
10
10
10
10
10
20
25
30
25
15
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
6
8
7
6
5
7
8
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
Very 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

Precipitation Probability (%)

9
8
7
6
10
8
11
11
32
46
54
60
67
76
80
84
94
90
89
85
77
69
69
78

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0.4
0.4
0.5
0.7
0.6
0.6
0.6
0.5
0.4
0.4
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
73
68
69
71
72
76
78
80
82
83
85
88
88
91
90
90
90
90
93
93
93
93
93

Pressure (mb)

1010
1010
1010
1009
1009
1009
1008
1008
1007
1007
1006
1005
1005
1004
1003
1002
1000
999
998
997
996
995
994
992

Ozone (du)

317
314
312
309
307
304
301
299
296
293
290
287
284
281
277
275
273
270
268
267
265
266
266
267

Monday 1

Waxing Gibbous 86%

13:50

04:42

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

Sun - Rise: 08:06, Set: 16:06, Transit: 12:05. Moon - Rise: 13:50, Set: 04:42. Civil Dark: 16:46 - 07:26. Nautical Dark: 17:29 - 06:42. Astro Dark: 18:10 - 06:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
79
61
57
73
86
100
100
100
100
100
100
100
85
70
54

Low Clouds (% Sky Obscured)

91
86
87
90
98
79
60
41
58
75
91
89
89
94
96
97
98
77
56
35

Medium Clouds (% Sky Obscured)

77
79
69
50
40
44
33
22
46
74
100
100
100
100
100
100
100
77
51
19

High Clouds (% Sky Obscured)

15
15
9
8
10
9
3
0
2
5
7
4
4
10
38
67
95
60
30
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

91
95
89
95
95
88
75
52
53
77
75
80
95
95
95
95
95
86
77
68

Precipitation Amount (mm)

0.7
0.8
0.5
0.8
0.8
0.4
0.4
0
0
0.6
0.4
0.6
1
1.5
1.1
1
1
0.7
0.6
0.6

Wind Speed/Direction (mph)

12
18
25
25
26
27
28
29
31
28
27
30
29
28
26
24
23
22
22
22

Chance of Frost

Temperature (°C)

10
11
11
11
11
11
11
10
10
10
10
10
9
9
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
87
85
87
87
87
87
85
85
88
90
91
87
84
81
81
80
78
78
78

Pressure (mb)

992
991
990
989
988
988
987
986
985
986
987
989
990
991
992
993
993
994
995
997

Ozone (du)

268
269
270
273
277
280
287
295
303
305
307
308
309
311
312
313
314
315
313
311

Forecast for Aberystwyth, Ceredigion, United Kingdom (52.42,-4.08)

Generated: 25/11/25 10:24:31. Forecast: 25/11/25 to 01/12/25. Timezone: UTC+0.00