Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 31

Full Moon 99%

22:13

05:06

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
16 Bad
17 Bad

Sun - Rise: 05:05, Set: 21:17, Transit: 13:12. Moon - Rise: 22:13, Set: 05:06. Civil Dark: 22:00 - 04:21. Nautical Dark: 23:03 - 03:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

75
72
58
98
94
100
100
93
98
97
94
99
96
99
100
100
100
97
97
98
100
100
96
100

Low Clouds (% Sky Obscured)

38
22
30
20
27
27
26
27
17
46
60
64
71
72
69
92
100
92
88
81
82
100
92
87

Medium Clouds (% Sky Obscured)

0
0
0
6
0
7
23
46
32
37
31
52
90
96
95
91
43
90
41
63
98
98
92
99

High Clouds (% Sky Obscured)

0
0
37
98
94
100
100
86
98
97
79
98
88
95
100
96
100
71
58
70
87
96
34
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
9
9
9
9
9
9
9
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
Light Rain
None
None
None
None
None
None
None
Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
27
60
17
21
20
17
33
43
58
73
53

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0
0
0
0.4
0

Wind Speed/Direction (mph)

15
14
11
6
4
3
2
1
2
3
3
3
4
5
9
9
12
13
12
13
14
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
18
17
15
12
12
12
11
11
10
10
10
11
13
13
15
15
15
16
17
17
17
16
16

Dew Point (°C)

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

Relative Humidity (%)

63
70
77
89
92
92
92
93
93
93
93
95
95
92
85
93
85
86
92
93
90
95
96
96

Pressure (mb)

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

Ozone (du)

339
338
336
335
335
337
335
333
331
328
326
326
327
327
329
329
331
333
335
338
339
343
346
346

Monday 1

Waning Gibbous 97%

23:07

05:58

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
16 Bad
17 Bad

Sun - Rise: 05:05, Set: 21:18, Transit: 13:12. Moon - Rise: 23:07, Set: 05:58. Civil Dark: 22:02 - 04:21. Nautical Dark: 23:05 - 03:16. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
71
80
88
89
78
79
78
82
50
39
46
60
73
75
57
35
40
52
47

Low Clouds (% Sky Obscured)

89
87
55
93
85
62
75
62
67
58
60
65
65
50
39
46
37
51
52
52
35
40
52
47

Medium Clouds (% Sky Obscured)

99
80
100
100
80
32
40
78
57
61
14
0
0
0
0
22
31
34
32
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
20
25
30
43
20
35
45
45
5
0
0
28
8
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
9
9
2
1
0
0
8
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

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

Precipitation Probability (%)

84
95
95
95
95
95
95
73
33
25
20
12
9
6
8
8
22
39
43
23
21
9
13
4

Precipitation Amount (mm)

0.2
0.5
1.7
1.1
2.1
1.5
3
0.4
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
11
10
9
8
5
4
4
4
3
3
4
8
12
14
14
15
15
16
16
19
19
19

Chance of Frost

Temperature (°C)

17
17
16
16
16
16
15
14
14
13
13
12
12
13
14
16
17
18
18
18
19
19
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
95
96
96
98
100
92
95
96
96
95
93
93
90
80
68
64
61
60
58
59
66
69

Pressure (mb)

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

Ozone (du)

347
350
352
358
361
364
370
379
383
385
390
394
394
396
395
397
400
401
404
406
407
402
389
383

Tuesday 2

Waning Gibbous 93%

23:50

07:00

18 OK
19 OK
20 OK
21 OK
22 Bad
23 OK
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

Sun - Rise: 05:04, Set: 21:19, Transit: 13:12. Moon - Rise: 23:50, Set: 07:00. Civil Dark: 22:03 - 04:20. Nautical Dark: 23:07 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

31
27
17
18
34
33
54
85
91
99
100
100
100
100
100
100
100
100
100
97
95
92
94
97

Low Clouds (% Sky Obscured)

31
9
17
18
34
33
32
40
38
23
20
24
39
75
100
100
91
68
66
67
67
66
46
58

Medium Clouds (% Sky Obscured)

0
18
0
0
0
0
0
37
46
39
37
38
60
61
56
40
60
50
63
49
43
33
45
78

High Clouds (% Sky Obscured)

0
0
0
0
0
7
15
57
33
97
99
100
96
100
100
100
100
100
100
89
81
70
80
70

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

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
1
5
7
7
12
25
37
29
41
76
66
40
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0

Wind Speed/Direction (mph)

18
16
14
13
12
11
10
10
9
7
6
6
6
9
12
14
15
16
19
18
17
18
19
18

Chance of Frost

Temperature (°C)

17
16
15
14
13
13
13
13
12
12
11
11
12
13
14
15
15
16
18
18
18
17
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
73
79
87
93
96
93
93
93
93
95
93
92
86
83
86
92
89
83
83
89
92
90
81

Pressure (mb)

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

Ozone (du)

387
383
377
372
364
357
352
349
346
343
342
341
341
340
339
338
338
339
339
341
342
345
352
362

Wednesday 3

Waning Gibbous 88%

00:22

08:09

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
16 Bad
17 Bad

Sun - Rise: 05:04, Set: 21:20, Transit: 13:12. Moon - Rise: 00:22, Set: 08:09. Civil Dark: 22:04 - 04:19. Nautical Dark: 23:09 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

75
67
65
55
55
71
98
92
85
77
76
81
85
84
81
83
42
53
54
68
70
73
77
72

Low Clouds (% Sky Obscured)

34
35
38
38
42
50
62
62
47
59
57
52
38
42
38
45
40
47
47
56
55
52
58
52

Medium Clouds (% Sky Obscured)

65
65
65
55
55
55
55
37
17
3
42
24
69
69
74
30
25
20
19
23
25
35
29
25

High Clouds (% Sky Obscured)

75
67
65
55
55
70
70
53
58
42
40
43
43
41
40
35
2
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
9
9
9
9
9
9
9
9
9
6
9
8
6
7
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
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

26
23
8
7
20
31
43
39
35
26
20
22
11
22
29
28
36
47
38
43
42
42
44
48

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)

18
17
16
15
13
14
14
14
14
13
13
14
14
15
15
17
20
21
21
22
22
22
22
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
14
13
12
11
11
10
9
8
8
8
8
9
9
9
10
11
11
11
10
10
10
9

Dew Point (°C)

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

Relative Humidity (%)

74
78
81
83
86
89
86
80
80
86
80
80
80
79
75
68
60
62
62
59
64
65
66
70

Pressure (mb)

1002
1002
1001
1001
1001
1000
1000
1000
999
999
999
999
999
1000
1000
1000
1000
1001
1001
1001
1002
1002
1002
1002

Ozone (du)

385
385
386
387
389
392
393
394
393
390
385
385
385
386
388
393
395
396
399
402
404
406
407
407

Thursday 4

Waning Gibbous 80%

00:46

09:22

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
16 Bad
17 Bad

Sun - Rise: 05:03, Set: 21:21, Transit: 13:12. Moon - Rise: 00:46, Set: 09:22. Civil Dark: 22:05 - 04:18. Nautical Dark: 23:10 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

69
66
61
54
68
82
95
90
89
86
87
84
85
54
67
79
86
92
100
98
95
92
80
66

Low Clouds (% Sky Obscured)

53
55
52
36
38
41
35
37
38
40
42
43
45
51
54
59
60
61
62
56
50
49
43
38

Medium Clouds (% Sky Obscured)

36
59
58
52
67
82
94
64
52
48
46
37
33
26
46
67
78
89
100
82
63
50
35
25

High Clouds (% Sky Obscured)

17
40
38
40
25
20
15
6
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

31
23
28
15
13
13
9
16
16
12
20
28
20
23
28
31
41
47
53
51
53
50
45
44

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.2
0.2
0
0

Wind Speed/Direction (mph)

21
19
14
14
13
13
14
12
10
8
5
5
5
6
6
10
12
13
14
15
15
15
15
15

Chance of Frost

Temperature (°C)

14
13
13
12
12
12
11
11
10
9
8
8
9
10
12
13
14
15
15
15
15
16
16
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
78
83
81
83
81
84
84
84
88
91
91
90
81
75
69
64
66
66
67
66
65
64
69

Pressure (mb)

1003
1003
1003
1004
1005
1005
1006
1006
1006
1007
1007
1007
1008
1008
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013

Ozone (du)

407
404
404
404
402
401
401
401
400
400
400
400
401
401
401
401
401
403
404
406
403
400
396
393

Friday 5

Waning Gibbous 72%

01:05

10:37

18 Bad
19 Bad
20 Bad
21 OK
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

Sun - Rise: 05:02, Set: 21:21, Transit: 13:12. Moon - Rise: 01:05, Set: 10:37. Civil Dark: 22:06 - 04:18. Nautical Dark: 23:12 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

53
42
30
19
37
52
69
78
85
90
91
95
100
100
100
100
100
100
100
99
99
98
98
99

Low Clouds (% Sky Obscured)

32
23
14
5
11
17
23
23
19
18
19
24
25
31
39
49
50
46
41
47
56
65
52
40

Medium Clouds (% Sky Obscured)

13
11
10
6
7
8
10
16
23
30
49
66
75
78
86
97
96
95
94
76
58
40
30
24

High Clouds (% Sky Obscured)

0
2
4
5
7
9
10
11
16
20
25
33
38
63
82
100
100
100
100
82
64
46
66
84

ISS Passover

Visibility (miles)

6
7
8
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 (%)

44
34
27
23
16
14
5
11
12
5
12
15
7
18
22
24
28
27
27
30
31
28
31
29

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
11
9
7
6
6
5
5
5
5
6
7
8
10
12
15
15
16
16
16
16
17
16

Chance of Frost

Temperature (°C)

15
15
13
12
11
10
10
10
10
10
10
11
12
13
14
15
16
16
17
18
18
18
18
17

Feels Like (°C)

11
11
10
11
11
10
9
9
8
7
8
8
8
8
11
11
11
12
12
12
15
14
13
14

Dew Point (°C)

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

Relative Humidity (%)

74
79
83
87
93
93
91
91
93
93
93
93
92
90
86
82
78
73
67
63
64
64
65
68

Pressure (mb)

1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1017
1018

Ozone (du)

390
386
381
375
369
368
366
364
365
366
367
365
364
363
363
362
362
363
363
364
364
365
365
365

Saturday 6

Waning Gibbous 62%

01:20

11:51

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

Sun - Rise: 05:02, Set: 21:22, Transit: 13:13. Moon - Rise: 01:20, Set: 11:51. Civil Dark: 22:07 - 04:17. Nautical Dark: 23:13 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

28
27
28
30
43
53
62
72
77
76
59
40
27
27
26
30
27
25
23

Medium Clouds (% Sky Obscured)

18
21
23
30
50
50
50
50
50
50
46
52
58
72
82
93
94
95
95

High Clouds (% Sky Obscured)

100
97
96
96
97
99
100
100
100
100
100
100
100
78
77
80
95
95
95

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

22
19
14
10
15
26
38
70
90
95
95
95
95
95
75
15
37
53
65

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.6
0.7
1
1.4
1.3
0.8
0.5
0
0
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
16
15
14
12
12
11
11
11
11
11
12
13
14
15
15
16
16
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
77
82
89
93
93
95
95
95
95
95
95
95
93
84
78
71
68
67

Pressure (mb)

1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

364
364
363
362
361
359
358
356
355
353
351
348
345
343
341
340
338
339
339

Welcome to Clear Outside

Forecast for Alphington, Devon, United Kingdom (50.70,-3.52)

Generated: 31/05/26 17:29:04. Forecast: 31/05/26 to 06/06/26. Timezone: UTC+1.00