Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 26

Waxing Gibbous 82%

17:39

03:14

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

Sun - Rise: 05:20, Set: 21:16, Transit: 13:19. Moon - Rise: 17:39, Set: 03:14. Civil Dark: 21:58 - 04:37. Nautical Dark: 22:57 - 03:38. Astro Dark: 00:39 - 01:51

Total Clouds (% Sky Obscured)

0
0
0
0
40
68
59
66
62
39
51
91
24
20
34
61
0
0
0
0
0
15
45
78

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
41
36

Medium Clouds (% Sky Obscured)

0
0
0
0
27
49
44
39
33
28
19
30
15
13
16
29
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
40
64
2
9
11
16
14
34
0
0
0
0
0
0
0
0
0
0
4
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

3
0
0
8
0
3
63
73
79
60
45
42
17
1
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.7
0.7
0.6
0.3
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
3
3
5
5
6
6
6
5
7
8
9
10
17
20
19
18
16
14
13
11
9
8

Chance of Frost

Temperature (°C)

22
21
19
18
18
18
18
17
17
17
17
18
19
19
20
21
21
21
21
21
20
19
18
17

Feels Like (°C)

23
23
21
20
17
17
17
18
18
18
17
18
17
17
18
19
19
20
20
20
20
19
18
18

Dew Point (°C)

20
19
17
16
15
15
15
16
16
15
15
15
15
16
17
16
16
15
16
15
15
15
14
15

Relative Humidity (%)

91
89
86
88
82
83
85
90
92
90
86
85
81
81
80
76
73
69
70
70
72
76
79
87

Pressure (mb)

1023
1023
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019

Ozone (du)

337
335
333
329
326
327
329
330
331
331
334
338
340
339
339
339
339
339
341
341
341
341
341
342

Wednesday 27

Waxing Gibbous 89%

18:51

03:28

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 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:19, Set: 21:18, Transit: 13:19. Moon - Rise: 18:51, Set: 03:28. Civil Dark: 22:00 - 04:36. Nautical Dark: 22:59 - 03:37. Astro Dark: 00:46 - 01:43

Total Clouds (% Sky Obscured)

94
84
90
84
100
100
100
100
85
86
94
100
100
100
99
95
33
100
100
96
48
88
75
74

Low Clouds (% Sky Obscured)

41
50
48
44
46
43
36
25
9
3
0
0
0
0
0
0
0
0
0
0
0
0
52
65

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
14
42
65
31
43
85
68
50
33
32
17
25
33
75
36
43

High Clouds (% Sky Obscured)

24
20
30
59
100
100
100
100
46
43
64
100
100
100
98
94
12
69
100
53
16
28
8
9

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 (%)

6
3
2
2
2
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
1
0
0
0
0
0
6
28
30
36
6
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)

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

Chance of Frost

Temperature (°C)

15
15
14
14
14
14
14
14
14
14
15
16
16
17
18
18
19
19
19
18
18
17
16
15

Feels Like (°C)

17
15
15
15
14
13
13
13
13
14
15
15
14
15
16
16
17
17
17
16
17
16
16
15

Dew Point (°C)

14
13
13
13
13
13
13
13
12
13
13
13
13
13
14
14
15
15
15
15
16
15
15
14

Relative Humidity (%)

92
92
92
92
92
92
92
92
90
90
90
86
82
78
77
76
76
78
81
82
88
89
92
92

Pressure (mb)

1019
1020
1020
1020
1020
1020
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1020
1020
1021
1021

Ozone (du)

339
337
337
337
337
337
336
335
334
331
328
327
324
324
323
322
322
323
323
324
340
336
332
328

Thursday 28

Waxing Gibbous 95%

20:03

03:46

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
16 Bad
17 Bad
18 Bad
19 Bad
20 OK

Sun - Rise: 05:18, Set: 21:19, Transit: 13:19. Moon - Rise: 20:03, Set: 03:46. Civil Dark: 22:01 - 04:35. Nautical Dark: 23:01 - 03:35. Astro Dark: 00:55 - 01:30

Total Clouds (% Sky Obscured)

80
99
89
100
100
100
100
100
99
99
100
100
100
100
100
98
97
96
100
95
91
78
51
48

Low Clouds (% Sky Obscured)

55
54
54
31
56
50
62
60
58
69
75
88
83
59
28
16
28
32
45
76
70
56
51
48

Medium Clouds (% Sky Obscured)

33
31
29
26
16
10
37
41
55
94
100
95
100
98
98
85
85
62
64
36
23
15
12
6

High Clouds (% Sky Obscured)

65
97
80
100
100
100
100
100
99
98
100
100
100
100
100
96
93
95
100
79
40
55
2
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 (%)

1
0
0
0
1
0
0
0
0
1
1
4
1
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)

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

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
14
14
14
14
14
14
15
15
15
15
15
15
15
15
15
15
14

Feels Like (°C)

15
13
13
13
12
13
12
12
12
13
13
14
13
13
13
14
13
14
14
14
13
14
13
15

Dew Point (°C)

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

Relative Humidity (%)

95
92
90
90
90
89
90
92
92
90
89
84
79
76
73
70
72
70
70
72
74
74
75
82

Pressure (mb)

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

Ozone (du)

325
324
323
323
323
322
322
323
324
323
323
323
323
324
325
328
329
330
332
334
337
338
334
332

Friday 29

Waxing Gibbous 98%

No Rise

04:08

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:17, Set: 21:20, Transit: 13:19. Moon - Rise: No Rise, Set: 04:08. Civil Dark: 22:03 - 04:34. Nautical Dark: 23:03 - 03:34. Astro Dark: 01:07 - N/A

Total Clouds (% Sky Obscured)

57
63
71
70
80
90
100
100
100
100
100
100
75
69
87
82
89
94
100
100
100
100
94
85

Low Clouds (% Sky Obscured)

57
59
56
53
55
58
61
53
45
36
39
42
42
28
13
0
14
29
43
56
68
80
71
66

Medium Clouds (% Sky Obscured)

1
0
1
0
14
27
37
23
9
5
3
3
6
11
20
64
89
94
100
97
94
57
25
64

High Clouds (% Sky Obscured)

21
44
69
62
72
86
100
100
100
100
100
100
71
47
67
45
63
85
100
85
67
50
55
50

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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
1
0
0
0
0
0
0
0
0
0
0
0
1
4
3
15
27
43
72
89
95
81
58

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.7
0.5
0.2

Wind Speed/Direction (mph)

7
7
7
7
7
7
7
7
7
6
5
6
7
9
9
9
9
11
14
15
16
17
18
17

Chance of Frost

Temperature (°C)

14
13
13
13
13
13
13
13
13
13
13
14
14
15
15
15
15
16
15
15
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
84
84
84
83
83
84
83
82
80
76
74
69
66
67
65
60
62
60
62
69
73
76

Pressure (mb)

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

Ozone (du)

331
332
331
331
332
331
330
331
332
332
333
335
337
337
336
337
338
342
346
349
347
343
342
338

Saturday 30

Waxing Gibbous 100%

21:13

04:38

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:16, Set: 21:21, Transit: 13:19. Moon - Rise: 21:13, Set: 04:38. Civil Dark: 22:04 - 04:33. Nautical Dark: 23:05 - 03:32. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

78
87
94
100
94
87
76
84
91
100
99
98
97
78
77
90
82
75
64
72
80
88
91
93

Low Clouds (% Sky Obscured)

56
57
68
81
70
62
55
54
61
65
67
69
71
56
57
58
58
59
60
63
65
68
64
63

Medium Clouds (% Sky Obscured)

65
53
50
45
45
45
45
50
64
72
75
79
75
25
25
26
23
17
8
5
6
8
8
5

High Clouds (% Sky Obscured)

35
50
75
100
79
55
32
55
77
100
78
71
60
40
16
0
0
0
0
2
10
23
40
53

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
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 (%)

32
18
11
3
12
14
11
10
10
6
14
12
14
14
12
11
6
2
0
8
12
14
13
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)

17
17
17
16
16
16
17
17
16
15
14
15
15
16
16
16
16
16
16
16
15
15
14
13

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
14
14
14
14
14
14
15
15
15
15
15
15
16
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
83
84
89
93
95
96
96
93
92
90
90
87
84
78
75
76
80
83
87
90
93
93
95

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1019
1018
1018
1018
1018

Ozone (du)

335
333
334
333
330
327
328
327
328
332
337
348
345
343
341
339
337
336
335
334
334
334
334
333

Sunday 31

Full Moon 99%

22:18

05:18

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:16, Set: 21:22, Transit: 13:19. Moon - Rise: 22:18, Set: 05:18. Civil Dark: 22:05 - 04:32. Nautical Dark: 23:06 - 03:31. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
94
92
87
91
92
95
95
98
100
100
100
100
100
100
100
100
100
100
93
86
78
86
93

Low Clouds (% Sky Obscured)

63
74
79
87
90
89
88
92
96
100
97
93
90
93
97
100
100
100
100
93
86
78
74
70

Medium Clouds (% Sky Obscured)

0
0
0
0
14
24
29
43
65
87
75
63
58
59
56
54
49
44
37
29
18
0
0
0

High Clouds (% Sky Obscured)

66
47
29
20
38
45
51
55
68
77
61
46
47
78
87
95
97
96
96
71
56
35
50
72

ISS Passover

Visibility (miles)

9
9
8
6
4
4
4
4
3
2
2
2
3
4
4
4
3
2
1
0
3
6
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
Light Rain
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

Precipitation Probability (%)

16
20
29
39
44
41
35
37
44
60
71
89
95
95
95
95
95
88
66
52
40
23
17
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
0.3
0.5
0.7
1.4
1.7
1.7
0.9
0.5
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

12
11
11
11
11
12
13
14
15
16
18
19
20
21
21
21
21
21
20
19
18
17
17
16

Chance of Frost

Temperature (°C)

15
15
15
15
15
15
14
14
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15

Feels Like (°C)

13
12
12
12
12
13
12
13
13
13
13
13
12
12
12
12
12
12
12
11
11
11
11
11

Dew Point (°C)

14
14
14
14
14
14
14
14
14
14
14
15
14
14
15
15
15
15
15
15
15
14
14
13

Relative Humidity (%)

95
96
96
96
96
98
98
98
96
98
98
98
96
96
96
96
98
98
98
98
96
95
93
92

Pressure (mb)

1018
1018
1018
1018
1017
1017
1016
1016
1015
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

331
330
329
328
327
327
327
328
331
333
336
337
338
339
344
348
352
359
366
373
374
375
376
377

Monday 1

Waning Gibbous 97%

23:12

06:09

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:15, Set: 21:23, Transit: 13:20. Moon - Rise: 23:12, Set: 06:09. Civil Dark: 22:06 - 04:32. Nautical Dark: 23:08 - 03:30. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
97
91
85
70
70
78
87
85
84
83
79
75
72
82
93
100
100
99
99

Low Clouds (% Sky Obscured)

66
57
48
39
47
53
62
64
66
66
63
63
61
58
58
63
62
60
57
57
57
57

Medium Clouds (% Sky Obscured)

0
3
7
11
17
23
33
49
38
40
35
31
20
24
27
33
50
61
72
62
54
46

High Clouds (% Sky Obscured)

100
100
100
97
79
57
34
52
71
86
84
84
83
79
75
72
82
93
100
99
98
97

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

Fog (%)

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

Precipitation Probability (%)

6
10
9
8
12
14
15
18
17
15
13
12
12
12
12
13
10
8
1
19
22
24

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

Wind Speed/Direction (mph)

15
14
14
15
15
15
15
16
15
14
13
13
13
13
14
15
16
17
17
18
18
19

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
13
13
13
13
13
14
14
14
14
15
15
15
15
15
15
15

Feels Like (°C)

11
11
11
12
11
12
11
11
11
11
11
10
10
11
10
11
11
12
12
12
12
12

Dew Point (°C)

13
13
13
13
13
13
13
13
13
12
12
12
12
13
12
12
12
12
12
12
12
12

Relative Humidity (%)

93
93
95
96
96
96
95
96
95
92
90
89
87
89
86
84
83
82
83
82
82
83

Pressure (mb)

1013
1013
1013
1013
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016

Ozone (du)

378
378
380
381
382
386
389
392
390
387
385
376
366
357
353
349
346
342
338
335
332
330

Forecast for St Ives, Cornwall, United Kingdom (50.22,-5.48)

Generated: 26/05/26 21:34:15. Forecast: 26/05/26 to 01/06/26. Timezone: UTC+1.00