Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 31

Full Moon 99%

22:13

04:27

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 OK
18 OK
19 OK
20 Good
21 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:06, Set: 21:17, Transit: 13:11. Moon - Rise: 22:13, Set: 04:27. Civil Dark: 22:00 - 04:22. Nautical Dark: 23:03 - 03:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

64
72
78
100
100
100
96
79
88
77
74
52
73
40
30
39
4
26
34
48
100
100
100
95

Low Clouds (% Sky Obscured)

64
48
57
41
72
46
73
52
60
33
50
41
54
31
30
39
4
26
24
22
13
24
20
45

Medium Clouds (% Sky Obscured)

64
72
78
100
99
100
90
79
78
45
33
10
19
5
0
0
0
0
0
0
12
16
32
64

High Clouds (% Sky Obscured)

64
72
78
100
97
98
1
0
0
0
0
0
0
0
0
8
4
26
34
48
100
100
100
74

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 (%)

14
36
27
0
1
4
3
13
4
0
13
2
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)

5
6
6
9
10
11
12
13
13
15
15
15
15
15
14
12
10
7
5
3
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
84
90
84
80
73
66
61
60
58
58
58
57
58
61
67
74
87
93
93
93
93
95
93

Pressure (mb)

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

Ozone (du)

340
339
339
339
341
343
350
358
357
352
344
341
339
339
339
337
334
333
332
331
332
331
329
329

Monday 1

Waning Gibbous 97%

23:07

05:06

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: 05:05, Set: 21:18, Transit: 13:12. Moon - Rise: 23:07, Set: 05:06. Civil Dark: 22:02 - 04:21. Nautical Dark: 23:05 - 03:16. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
97
97
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
89
79
92
63

Low Clouds (% Sky Obscured)

65
75
73
76
71
74
84
100
96
94
82
73
100
88
96
83
61
45
69
61
72
70
82
61

Medium Clouds (% Sky Obscured)

33
64
89
89
94
90
88
97
93
98
100
100
99
100
100
100
100
91
74
58
41
33
47
1

High Clouds (% Sky Obscured)

96
69
62
46
68
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
19
2
25
19

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
3
0
1
4
6
1
3
3
8
4
9
9
9
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
Very Light Rain
Light Rain
Moderate Rain
Very Light Rain
None
Moderate Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
1
1
8
26
22
43
46
58
58
67
60
88
95
95
95
91
95
92
43
43
40

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
1
2.7
0.3
0
2.5
0.2
0
0
0

Wind Speed/Direction (mph)

3
3
4
5
8
10
13
13
14
13
13
12
13
13
13
13
11
10
9
8
7
6
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
92
89
80
77
71
77
85
93
96
96
98
96
96
98
98
98
98
96
95
95
95
95

Pressure (mb)

1018
1017
1017
1017
1016
1016
1015
1015
1015
1014
1013
1012
1011
1011
1010
1009
1009
1008
1008
1007
1006
1006
1005
1006

Ozone (du)

327
325
326
325
325
326
328
330
332
334
335
338
342
344
346
348
351
355
363
369
378
384
383
392

Tuesday 2

Waning Gibbous 93%

23:50

05:58

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 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:05, Set: 21:19, Transit: 13:12. Moon - Rise: 23:50, Set: 05:58. Civil Dark: 22:03 - 04:21. Nautical Dark: 23:07 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

59
53
53
46
57
71
62
61
75
78
67
56
50
53
32
28
70
47
47
46
58
75
87
100

Low Clouds (% Sky Obscured)

42
45
53
46
57
60
41
54
61
52
67
56
49
53
31
25
31
43
46
44
51
50
37
29

Medium Clouds (% Sky Obscured)

17
5
0
0
11
41
24
10
17
26
0
0
0
0
2
11
0
0
0
0
0
5
4
7

High Clouds (% Sky Obscured)

24
15
17
0
14
57
5
2
0
17
0
0
0
0
0
0
68
18
0
11
25
48
77
100

ISS Passover

Visibility (miles)

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

Fog (%)

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 Type

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

Precipitation Probability (%)

39
13
7
5
8
30
41
60
59
65
72
49
27
22
6
2
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
4
7
9
12
14
15
16
17
17
17
19
19
19
19
17
16
14
14
13
12
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
96
93
89
79
68
71
78
81
83
78
77
72
73
78
83
87
87
86
89
86
83
87

Pressure (mb)

1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1007
1007
1007
1008
1008
1009
1010
1010
1011
1011
1011
1011
1011

Ozone (du)

396
401
399
398
400
403
403
401
402
398
396
387
382
380
379
375
369
366
361
356
352
350
348
348

Wednesday 3

Waning Gibbous 92%

00:22

07:00

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 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:04, Set: 21:20, Transit: 13:12. Moon - Rise: 00:22, Set: 07:00. Civil Dark: 22:04 - 04:20. Nautical Dark: 23:09 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
98
98
89
45
33
36
64
71
70
69
69

Low Clouds (% Sky Obscured)

27
35
35
61
79
100
100
100
88
76
60
47
45
48
36
50
30
32
36
57
69
68
64
64

Medium Clouds (% Sky Obscured)

25
45
62
95
99
100
93
85
78
86
93
100
98
97
96
34
25
11
8
4
0
4
8
47

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
77
53
25
0
0
0
0
0
0
0
2
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
0
9
9
9
9
9
9
6
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
7
11
20
40
70
48
35
34
34
23
23
28
30
31
18
18
7
7
7
6
8
8
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
8
9
10
13
14
15
17
18
19
20
19
19
20
18
17
15
14
12
12
14
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
86
83
79
87
95
96
93
83
76
70
72
69
77
81
81
82
86
86
80
76
76
76

Pressure (mb)

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

Ozone (du)

346
345
345
343
343
344
346
348
349
349
348
350
353
359
370
393
407
398
397
386
380
373
370
369

Thursday 4

Waning Gibbous 88%

00:46

08:09

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: 05:04, Set: 21:21, Transit: 13:12. Moon - Rise: 00:46, Set: 08:09. Civil Dark: 22:05 - 04:19. Nautical Dark: 23:10 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

65
61
61
71
79
85
86
86
86
76
63
52
44
38
30
73
61
49
46
37
38
45
58
71

Low Clouds (% Sky Obscured)

46
57
57
48
48
46
46
49
44
44
44
39
35
30
26
30
31
30
32
37
38
30
26
30

Medium Clouds (% Sky Obscured)

53
30
43
55
64
76
74
79
36
39
47
51
44
38
30
73
61
49
46
37
38
45
58
65

High Clouds (% Sky Obscured)

30
35
35
40
40
40
25
20
15
15
9
10
0
10
15
45
45
40
9
8
13
26
25
20

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

10
11
11
14
21
9
17
12
12
16
31
21
19
24
24
35
36
36
39
43
47
60
73
82

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
12
14
14
15
17
18
19
18
19
18
17
17
16
14
13
12
9
7
6
5
4
3
4

Chance of Frost

Temperature (°C)

13
13
13
14
14
14
15
16
16
17
17
16
16
16
15
15
13
12
11
11
10
10
10
9

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
10
10
9
8
8
8
8
10
9
8
9
10
10
9
9
9
9
9
9
9

Relative Humidity (%)

78
84
80
79
78
73
66
60
56
53
56
68
62
58
66
74
79
83
88
90
91
91
93
95

Pressure (mb)

1002
1002
1002
1003
1003
1004
1004
1005
1005
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

367
365
363
359
357
355
353
349
348
347
344
341
339
338
339
340
343
346
349
355
360
365
368
372

Friday 5

Waning Gibbous 80%

01:05

09:22

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: 05:03, Set: 21:21, Transit: 13:12. Moon - Rise: 01:05, Set: 09:22. Civil Dark: 22:06 - 04:18. Nautical Dark: 23:12 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

81
91
97
98
99
100
100
99
98
90
82
73
68
64
61
55
46
36
48
62
77
75
71
71

Low Clouds (% Sky Obscured)

32
38
40
44
49
54
54
52
50
46
43
42
40
40
38
35
32
31
38
40
40
35
34
35

Medium Clouds (% Sky Obscured)

81
88
95
96
97
100
98
96
93
79
67
57
57
55
40
22
9
2
4
5
7
11
14
17

High Clouds (% Sky Obscured)

36
48
60
45
26
5
5
5
5
0
0
0
0
1
0
2
4
8
10
15
19
42
65
71

ISS Passover

Visibility (miles)

6
5
4
4
5
7
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

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

Precipitation Probability (%)

90
95
95
90
79
61
51
47
44
47
47
43
48
50
48
46
44
33
33
27
10
17
17
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
5
6
8
10
12
14
15
17
17
18
18
17
17
16
15
13
11
10
8
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
95
91
88
86
74
62
54
57
60
63
66
68
70
74
77
83
84
85
87
88
91

Pressure (mb)

1006
1006
1007
1007
1007
1007
1007
1008
1008
1009
1009
1009
1010
1010
1011
1011
1012
1013
1013
1014
1014
1014
1014
1014

Ozone (du)

375
377
380
383
392
401
411
412
414
415
410
405
400
394
389
383
379
374
369
368
367
366
364
363

Saturday 6

Waning Gibbous 72%

01:20

10:37

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

Sun - Rise: 05:02, Set: 21:22, Transit: 13:12. Moon - Rise: 01:20, Set: 10:37. Civil Dark: 22:07 - 04:18. Nautical Dark: 23:13 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

79
80
82
92
92
93
91
92
96
89
86
81
86
89
93
96
99
100
100
99
99

Low Clouds (% Sky Obscured)

35
32
30
41
53
66
75
79
84
75
67
61
56
48
37
32
26
24
22
19
17

Medium Clouds (% Sky Obscured)

18
21
25
25
25
30
47
44
41
39
37
35
45
53
61
72
84
95
83
71
55

High Clouds (% Sky Obscured)

79
76
73
43
24
1
1
0
0
2
5
3
12
17
23
63
90
100
99
99
98

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

Precipitation Probability (%)

27
26
19
60
84
95
95
95
95
84
64
22
17
10
1
2
0
0
1
2
1

Precipitation Amount (mm)

0
0
0
0.2
0.5
0.7
0.7
0.7
0.7
0.5
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
6
7
9
11
10
11
11
11
13
14
13
12
11
9
7
5
5
4

Chance of Frost

Temperature (°C)

9
10
11
12
13
14
16
16
16
17
17
17
18
17
17
16
15
14
12
12
11

Feels Like (°C)

7
7
7
7
11
12
12
12
13
14
14
13
13
14
13
14
11
12
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

91
90
85
83
77
70
66
65
64
63
61
59
57
61
64
68
74
79
86
87
88

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1013
1013
1013
1014
1014
1015
1015
1015

Ozone (du)

362
362
363
364
364
364
364
364
363
363
360
356
353
352
351
350
353
356
359
362
364

Welcome to Clear Outside

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

Generated: 31/05/26 04:25:00. Forecast: 31/05/26 to 06/06/26. Timezone: UTC+1.00