Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 18

Waning Crescent 1%

06:51

15:13

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:26, Set: 16:12, Transit: 11:48. Moon - Rise: 06:51, Set: 15:13. Civil Dark: 16:48 - 06:49. Nautical Dark: 17:29 - 06:09. Astro Dark: 18:08 - 05:30

Total Clouds (% Sky Obscured)

80
84
78
50
76
70
86
76
94
95
94
87
53
98
100
100
87
81
78
73
89
100
100
95

Low Clouds (% Sky Obscured)

70
25
32
28
11
28
20
32
30
38
41
38
49
82
64
56
69
78
67
62
51
40
39
48

Medium Clouds (% Sky Obscured)

15
15
15
9
20
18
25
30
61
65
50
32
2
42
45
45
29
36
57
58
75
100
100
94

High Clouds (% Sky Obscured)

0
0
0
0
0
10
20
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
41

ISS Passover

Visibility (miles)

9
8
9
9
9
9
9
9
9
9
9
9
9
9
4
3
8
9
1
0
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
Very Light Rain
None
None
None
Sleet
Sleet
None
None
None
None

Precipitation Probability (%)

18
9
22
8
4
5
11
13
13
11
10
7
23
52
72
49
20
42
86
83
51
24
10
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
12
12
15
15
14
15
15
15
16
16
16
17
18
19
20
21
23
25
26
30
30
28
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
85
81
81
81
79
81
82
81
81
84
81
84
79
90
94
80
82
91
96
79
78
79
79

Pressure (mb)

1014
1014
1013
1012
1012
1011
1011
1010
1009
1009
1008
1007
1007
1007
1007
1007
1008
1008
1009
1009
1009
1009
1010
1010

Ozone (du)

270
268
268
272
273
272
271
268
269
276
284
289
293
302
304
305
304
306
309
316
334
335
332
328

Wednesday 19

Waning Crescent 0%

08:03

15:38

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

Sun - Rise: 07:27, Set: 16:11, Transit: 11:48. Moon - Rise: 08:03, Set: 15:38. Civil Dark: 16:47 - 06:51. Nautical Dark: 17:28 - 06:10. Astro Dark: 18:07 - 05:31

Total Clouds (% Sky Obscured)

100
100
100
100
100
92
81
28
37
35
87
35
0
0
0
0
0
0
0
0
4
0
0
0

Low Clouds (% Sky Obscured)

35
43
22
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
0
0
0

Medium Clouds (% Sky Obscured)

98
100
47
100
100
83
33
13
29
35
87
35
0
0
0
0
0
0
0
0
4
0
0
0

High Clouds (% Sky Obscured)

9
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
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 (%)

3
1
1
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)

24
23
22
21
21
20
20
19
18
17
17
17
16
16
15
14
14
14
13
15
16
16
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
77
79
79
80
80
80
78
77
74
71
73
71
71
71
70
69
64
63
60
59
58
58

Pressure (mb)

1011
1012
1013
1013
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

324
328
328
326
326
325
327
333
332
331
327
321
318
317
320
324
324
325
324
321
316
319
320
317

Thursday 20

New Moon 2%

09:11

No Set

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

Sun - Rise: 07:29, Set: 16:10, Transit: 11:49. Moon - Rise: 09:11, Set: No Set. Civil Dark: 16:46 - 06:52. Nautical Dark: 17:27 - 06:11. Astro Dark: 18:06 - 05:32

Total Clouds (% Sky Obscured)

0
0
0
0
25
0
0
0
0
0
1
1
1
1
1
1
1
1
0
1
8
14
33
33

Low Clouds (% Sky Obscured)

0
0
0
0
25
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
4
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
14
29
33

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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
64
65
68
72
74
76
74
77
77
77
78
80
83
86
86
86
79
71
63
58
58
59
61

Pressure (mb)

1017
1018
1018
1019
1019
1020
1020
1020
1021
1021
1021
1022
1022
1022
1023
1024
1024
1025
1025
1026
1025
1025
1025
1025

Ozone (du)

319
320
319
324
325
326
328
325
322
320
315
313
314
314
311
308
306
304
302
298
296
292
290
289

Friday 21

Waxing Crescent 5%

10:12

16:11

16 OK
17 OK
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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:30, Set: 16:09, Transit: 11:49. Moon - Rise: 10:12, Set: 16:11. Civil Dark: 16:45 - 06:53. Nautical Dark: 17:26 - 06:13. Astro Dark: 18:05 - 05:34

Total Clouds (% Sky Obscured)

35
36
53
83
97
99
84
100
100
100
100
100
100
100
100
99
99
99
100
100
96
90
84
81

Low Clouds (% Sky Obscured)

0
0
0
0
0
11
20
22
32
41
47
48
64
71
79
86
93
96
98
100
93
85
78
66

Medium Clouds (% Sky Obscured)

1
0
14
61
76
77
60
47
66
93
100
100
100
100
98
97
95
88
79
71
62
53
40
49

High Clouds (% Sky Obscured)

34
36
53
79
97
98
84
100
100
100
100
100
100
91
71
36
16
19
15
18
6
25
25
18

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
8
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

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
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
2
4
6
15
19
30
67
88
91
89
81
64
56
57
48
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.6
0.6
0.6
0.4
0.2
0.3
0
0

Wind Speed/Direction (mph)

8
7
7
6
5
4
5
6
7
10
13
15
17
19
20
20
19
20
19
18
18
17
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
67
68
68
67
66
65
64
63
59
61
61
63
69
69
70
72
73
77
77
78
84
82
82

Pressure (mb)

1026
1026
1026
1026
1025
1025
1025
1024
1023
1022
1022
1021
1020
1019
1019
1018
1018
1018
1017
1017
1016
1015
1014
1014

Ozone (du)

290
291
291
287
281
275
270
273
278
279
280
283
288
292
293
297
296
296
297
298
296
289
287
289

Saturday 22

Waxing Crescent 10%

11:02

16:56

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:32, Set: 16:08, Transit: 11:49. Moon - Rise: 11:02, Set: 16:56. Civil Dark: 16:45 - 06:55. Nautical Dark: 17:25 - 06:14. Astro Dark: 18:04 - 05:35

Total Clouds (% Sky Obscured)

77
75
76
80
83
77
72
66
77
89
100
100
99
99
75
67
63
70
84
100
100
100
100
93

Low Clouds (% Sky Obscured)

53
38
45
53
64
59
53
48
33
18
3
19
36
52
69
58
47
45
39
33
30
26
19
17

Medium Clouds (% Sky Obscured)

53
62
61
55
52
43
30
33
59
60
66
71
83
97
31
32
20
24
23
26
55
76
94
91

High Clouds (% Sky Obscured)

25
22
20
20
19
20
16
17
44
70
100
75
47
9
3
5
8
39
70
100
98
95
93
72

ISS Passover

Visibility (miles)

9
9
7
8
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 (%)

22
29
40
37
32
26
24
28
30
32
29
23
20
10
26
30
28
26
22
13
9
3
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)

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
8
8
8
9
9
9

Feels Like (°C)

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

Dew Point (°C)

6
7
7
7
7
7
7
7
7
7
7
7
7
7
7
6
6
6
6
6
5
6
6
6

Relative Humidity (%)

82
84
85
87
87
87
88
88
87
87
87
87
85
85
84
85
85
87
85
82
81
80
78
78

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1011
1011
1010
1010
1010
1009
1008
1008
1009
1009
1009
1008
1008
1008
1007
1007
1006

Ozone (du)

291
287
281
279
281
280
279
278
278
279
278
276
275
276
276
276
275
274
272
270
268
267
266
264

Sunday 23

Waxing Crescent 17%

11:40

17:54

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:34, Set: 16:07, Transit: 11:50. Moon - Rise: 11:40, Set: 17:54. Civil Dark: 16:44 - 06:56. Nautical Dark: 17:25 - 06:15. Astro Dark: 18:04 - 05:36

Total Clouds (% Sky Obscured)

87
80
87
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

15
13
20
24
25
20
20
20
34
48
67
63
68
74
69
62
55
59
69
76
71
64
61
63

Medium Clouds (% Sky Obscured)

87
80
87
93
100
100
100
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

55
44
62
80
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

20
28
55
72
79
82
92
95
88
84
89
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0.3
0.5
0.6
0.6
0.8
1
0.6
0.4
0.5
0.7
0.8
0.9
1
0.9
0.6
0.8
1
1.1
1
0.9
0.9
0.8

Wind Speed/Direction (mph)

7
7
9
9
8
9
11
13
16
17
17
18
19
21
22
22
23
23
23
22
23
21
20
19

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
80
81
81
80
81
84
87
88
85
82
78
82
87
90
90
90
91
91
93
93
90
88
85

Pressure (mb)

1006
1005
1004
1003
1003
1002
1001
1000
999
997
995
994
992
991
990
989
989
988
988
988
988
989
989
990

Ozone (du)

264
264
264
264
265
265
265
265
265
267
269
271
272
274
275
278
280
283
284
284
285
287
290
292

Monday 24

Waxing Crescent 15%

12:08

19:02

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
10 Bad
11 Bad

Sun - Rise: 07:35, Set: 16:06, Transit: 11:50. Moon - Rise: 12:08, Set: 19:02. Civil Dark: 16:43 - 06:58. Nautical Dark: 17:24 - 06:17. Astro Dark: 18:03 - 05:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
97
94
91
86
81
75
87
95
99
98
98
97
97
98
98

Low Clouds (% Sky Obscured)

64
68
61
57
53
57
57
64
55
48
44
65
77
87
85
84
86
83
78
74

Medium Clouds (% Sky Obscured)

100
100
100
99
99
96
94
91
86
81
75
87
89
85
84
82
74
68
67
68

High Clouds (% Sky Obscured)

90
85
69
59
45
45
50
45
35
30
25
20
15
15
13
16
17
16
27
37

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
91
84
80
75
63
50
39
37
32
25

Precipitation Amount (mm)

0.7
1.1
1.2
1.1
1
0.9
1
1
0.9
0.8
0.5
0.5
0.5
0.5
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

16
13
13
14
16
19
20
21
22
23
24
25
25
25
25
24
23
22
22
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
91
91
93
91
91
91
88
90
90
88
88
88
88
88
87
87
84
84

Pressure (mb)

991
992
993
994
995
996
997
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009

Ozone (du)

293
294
295
297
300
302
299
296
293
291
290
288
289
290
291
290
288
286
288
289

Forecast for Selsey, West Sussex, United Kingdom (50.73,-0.79)

Generated: 18/11/25 16:00:47. Forecast: 18/11/25 to 24/11/25. Timezone: UTC+0.00