Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 30

Waxing Gibbous 100%

21:08

04:27

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 OK

Sun - Rise: 05:06, Set: 21:15, Transit: 13:11. Moon - Rise: 21:08, Set: 04:27. Civil Dark: 21:59 - 04:22. Nautical Dark: 23:02 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

45
57
66
100
97
93
100
100
100
100
100
100
100
100
100
100
95
96
87
81
74
75
46
35

Low Clouds (% Sky Obscured)

0
0
0
7
23
39
59
83
71
60
81
56
69
51
59
60
54
40
38
55
38
35
44
35

Medium Clouds (% Sky Obscured)

0
6
60
100
93
81
66
2
0
0
71
100
100
100
100
95
92
89
87
69
23
27
2
0

High Clouds (% Sky Obscured)

45
57
66
100
80
81
29
100
100
100
100
100
100
85
100
30
8
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 (%)

0
0
0
0
0
0
0
0
2
3
7
7
6
1
0
2
12
2
2
2
14
0
0
1

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)

12
11
10
8
6
4
3
2
3
4
6
7
6
7
10
11
12
12
13
14
15
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
65
71
75
76
80
84
87
90
92
84
80
83
85
79
73
65
60
58
57
58
58
57
58

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

340
342
346
350
357
359
352
347
344
341
339
339
340
342
345
349
355
358
355
346
342
342
341
342

Sunday 31

Full Moon 99%

22:13

05:06

18 OK
19 OK
20 OK
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)

34
32
41
51
54
58
47
56
87
95
100
92
99
99
100
97
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

34
32
41
51
35
49
32
26
37
47
66
70
58
82
72
91
77
85
88
86
86
98
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
1
11
2
2
26
37
27
29
93
94
83
85
85
100
99
97
100
100
98
100

High Clouds (% Sky Obscured)

0
1
5
9
15
13
22
33
59
57
100
55
90
82
100
60
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
9
9
9
8
7
2

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
38
95
95
95
95
95
78
57
77

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.1
1.2
0.9
1.7
1.6
0.3
0
0.3

Wind Speed/Direction (mph)

14
13
10
8
5
3
2
2
2
2
2
3
4
5
7
10
12
13
12
15
13
12
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
67
75
89
93
93
93
93
93
93
92
92
92
90
84
77
67
82
93
85
92
93
96
98

Pressure (mb)

1018
1018
1018
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1014
1014
1013
1012
1011
1011
1010

Ozone (du)

342
339
338
337
336
336
335
332
330
329
327
325
325
325
325
325
325
328
326
327
329
332
338
342

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
99
86
85
74
85
53
76
44
46
63
78
62
59
66
66
67
73
78
71
72

Low Clouds (% Sky Obscured)

87
93
68
67
60
72
72
51
61
39
65
44
43
43
54
52
56
55
53
48
50
49
38
47

Medium Clouds (% Sky Obscured)

100
97
55
41
41
67
71
62
51
6
2
0
8
31
38
14
4
34
32
33
39
39
34
25

High Clouds (% Sky Obscured)

100
100
100
100
97
20
19
20
7
20
16
0
3
5
0
0
0
0
0
0
0
1
3
10

ISS Passover

Visibility (miles)

1
1
3
9
9
4
3
9
3
8
5
9
9
9
9
9
9
5
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
None
None
Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
None
None
Very Light Rain
None
None
None
None

Precipitation Probability (%)

95
95
68
41
62
95
71
43
49
50
53
20
7
5
7
13
46
42
45
53
43
27
17
15

Precipitation Amount (mm)

1.6
1.8
0.4
0
0
1
0.2
0
0.2
0
0
0
0
0
0
0
0.2
0
0
0.2
0
0
0
0

Wind Speed/Direction (mph)

11
10
9
8
8
8
4
7
6
4
4
5
6
7
11
12
14
15
15
16
18
19
20
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
98
96
98
96
96
95
96
96
95
95
93
87
80
71
71
61
61
69
66
63
65

Pressure (mb)

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

Ozone (du)

344
347
351
356
363
369
375
381
382
386
390
391
390
391
397
397
398
398
397
397
387
382
381
383

Tuesday 2

Waning Gibbous 93%

23:50

07:00

18 Bad
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
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)

54
41
38
34
36
35
33
35
44
56
100
100
100
100
100
100
100
100
98
87
68
93
74
62

Low Clouds (% Sky Obscured)

45
38
36
33
34
34
32
31
33
31
25
21
25
50
70
86
91
96
98
81
57
76
56
45

Medium Clouds (% Sky Obscured)

16
18
20
19
12
6
0
18
33
50
50
46
70
55
91
46
64
83
34
36
34
39
32
25

High Clouds (% Sky Obscured)

0
0
0
0
9
19
28
35
44
56
100
100
100
100
100
100
97
66
56
38
17
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
6
3
2
9
4
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
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

3
3
3
0
2
2
1
3
4
2
4
7
3
26
70
70
61
41
41
37
32
34
33
24

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.2
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
16
14
13
11
10
8
7
7
6
6
6
7
10
12
14
15
16
16
19
19
20
19
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
73
79
87
95
96
95
95
95
93
93
95
96
89
86
95
96
96
96
86
66
57
66
65

Pressure (mb)

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

Ozone (du)

387
379
370
362
356
353
350
347
347
347
347
347
348
350
350
352
358
368
374
374
376
382
384
390

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)

48
50
45
46
57
67
75
84
91
100
100
100
100
73
64
55
63
72
79
83
86
88
91
95

Low Clouds (% Sky Obscured)

35
39
40
43
53
60
63
57
52
44
47
50
53
55
49
43
48
53
58
56
56
58
61
63

Medium Clouds (% Sky Obscured)

20
30
9
0
7
11
15
18
23
25
37
42
43
3
2
0
2
2
3
12
15
27
21
23

High Clouds (% Sky Obscured)

0
0
0
0
4
9
14
38
75
100
99
100
100
30
15
0
11
21
29
15
8
2
32
61

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 (%)

24
13
13
6
9
13
17
9
9
7
12
12
17
22
21
18
19
16
15
15
14
12
12
10

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
18
16
15
14
14
15
14
15
14
15
15
15
15
19
20
21
22
22
22
21
20
19
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
73
77
80
84
82
76
82
80
79
80
80
80
77
71
64
58
57
56
54
55
55
56
57

Pressure (mb)

1003
1003
1004
1003
1004
1004
1003
1004
1004
1003
1004
1004
1004
1004
1007
1007
1008
1008
1009
1009
1010
1010
1010
1010

Ozone (du)

396
401
403
397
389
388
387
386
386
385
385
384
383
386
386
385
384
383
382
381
377
373
368
367

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)

99
99
100
100
100
100
99
99
99
99
99
100
100
89
75
59
54
53
48
61
75
87
72
55

Low Clouds (% Sky Obscured)

65
55
46
37
40
45
50
55
60
72
74
72
71
59
45
26
23
28
36
45
52
57
49
42

Medium Clouds (% Sky Obscured)

21
33
48
58
74
87
97
96
94
93
95
98
100
89
75
59
54
41
22
21
22
22
16
13

High Clouds (% Sky Obscured)

93
98
99
100
68
37
5
0
0
0
33
68
100
72
44
18
11
5
0
0
0
0
3
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
7
6
4
2
1
1
1
1
2
4
6
7
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
Very Light Rain
Very Light Rain
None
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 (%)

4
8
9
11
34
45
52
58
60
59
75
89
95
95
95
95
95
80
63
52
44
35
35
34

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.2
0
0.3
0.5
0.6
0.8
0.9
0.9
0.7
0.5
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

16
15
11
8
5
4
4
4
6
8
10
12
13
14
15
15
18
20
22
25
23
22
21
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
9
10
10
10
8
8
8
9
9
9
9
9
8
7
7
8
9
10
14
12
10
10

Dew Point (°C)

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

Relative Humidity (%)

59
62
69
76
85
84
83
83
85
88
93
95
96
98
98
96
95
89
83
78
81
83
86
83

Pressure (mb)

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

Ozone (du)

365
363
362
361
359
358
356
355
350
346
342
344
345
347
352
356
361
368
375
382
385
388
392
390

Friday 5

Waning Gibbous 72%

01:05

10:37

18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 Bad
11 Bad
12 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)

37
28
26
23
30
35
36
45
49
55
52
54
59
54
44
37
51
68
84

Low Clouds (% Sky Obscured)

36
28
26
23
11
8
5
25
44
55
51
45
42
41
37
36
38
41
43

Medium Clouds (% Sky Obscured)

11
7
4
1
0
0
0
7
14
21
13
7
0
0
0
0
9
19
26

High Clouds (% Sky Obscured)

11
14
12
7
12
18
26
17
9
0
10
20
31
23
19
17
39
59
78

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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

33
31
27
11
17
15
11
9
9
4
11
11
5
6
7
2
6
5
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
19
18
17
18
16
15
13
13
13
13
11
10
9
10
10
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
80
80
79
79
77
76
73
77
83
87
84
83
79
71
64
57
56
54

Pressure (mb)

1005
1006
1008
1011
1013
1014
1015
1017
1017
1018
1019
1019
1020
1021
1022
1022
1023
1023
1023

Ozone (du)

389
387
387
387
387
385
383
381
380
379
377
375
373
371
368
365
362
362
361

Welcome to Clear Outside

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

Generated: 30/05/26 17:23:11. Forecast: 30/05/26 to 05/06/26. Timezone: UTC+1.00