Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 27

Waxing Gibbous 89%

18:38

03:13

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Good
08 OK
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

Sun - Rise: 05:03, Set: 21:06, Transit: 13:05. Moon - Rise: 18:38, Set: 03:13. Civil Dark: 21:50 - 04:20. Nautical Dark: 22:49 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

32
36
100
100
47
48
94
44
45
6
25
100
100
100
100
100
78
93
100
100
100
94
50
100

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
0
0
0

Medium Clouds (% Sky Obscured)

8
8
23
27
19
1
3
7
8
2
14
53
74
61
73
80
43
27
48
97
76
92
41
43

High Clouds (% Sky Obscured)

32
36
80
66
43
48
73
24
45
6
25
94
100
100
100
100
78
32
100
100
100
94
10
98

ISS Passover

Visibility (miles)

9
5
9
9
9
9
9
9
9
6
4
4
4
4
4
4
9
5
2
4
4
5
5
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
6
4
3
2
1

Precipitation Type

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

Precipitation Probability (%)

53
61
56
30
19
3
0
0
0
0
0
0
0
1
0
0
4
43
29
23
12
0
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
12
11
11
9
9
8
7
6
6
7
7
7
7
7
9
9
10
11
8
6
4
5
4

Chance of Frost

Temperature (°C)

21
20
18
17
17
16
16
16
16
17
18
19
21
21
22
23
22
24
24
23
21
21
20
18

Feels Like (°C)

19
18
16
15
15
16
16
15
16
17
18
19
21
21
22
22
21
23
23
22
21
22
20
17

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
90
93
95
96
98
98
95
92
86
79
69
63
62
68
60
57
62
74
77
77
77

Pressure (mb)

1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1022
1021
1022
1021
1021
1021
1020
1021

Ozone (du)

332
332
333
334
334
334
335
334
333
333
332
331
329
330
329
328
327
328
327
325
324
330
335
328

Thursday 28

Waxing Gibbous 95%

19:51

03:30

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
21 Bad

Sun - Rise: 05:02, Set: 21:08, Transit: 13:05. Moon - Rise: 19:51, Set: 03:30. Civil Dark: 21:51 - 04:19. Nautical Dark: 22:51 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
100
78
82
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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
0
0
0

Medium Clouds (% Sky Obscured)

13
43
34
7
9
26
13
16
81
95
100
98
100
100
100
100
100
62
76
75
75
66
54
61

High Clouds (% Sky Obscured)

84
82
30
82
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
85
85

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
1
1
1
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
1
2
10
8
12
2
3
0
0
0
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
82
82
85
90
95
96
89
89
84
80
79
78
73
71
67
62
57
53
54
57
68
77
83

Pressure (mb)

1021
1021
1021
1021
1021
1020
1021
1021
1021
1022
1022
1023
1023
1023
1023
1023
1024
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

327
324
323
323
320
319
318
319
319
319
318
318
318
317
317
318
320
320
324
329
333
337
338
338

Friday 29

Waxing Gibbous 98%

21:01

03:52

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

Sun - Rise: 05:01, Set: 21:09, Transit: 13:05. Moon - Rise: 21:01, Set: 03:52. Civil Dark: 21:52 - 04:18. Nautical Dark: 22:53 - 03:16. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
50
42
33
36
52
45
45
46
67
76
76
98
98
99
92
100
100
19
78
100
97
95
92

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
0
0
0

Medium Clouds (% Sky Obscured)

60
31
23
19
17
25
27
14
11
63
53
58
79
95
32
92
80
96
19
53
60
68
84
39

High Clouds (% Sky Obscured)

6
1
10
20
30
25
25
37
42
42
68
57
91
15
78
76
100
100
19
78
100
74
45
21

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
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)

6
7
7
6
6
6
5
5
5
5
5
5
4
4
5
7
8
9
10
11
11
10
10
9

Chance of Frost

Temperature (°C)

14
13
12
12
11
11
10
10
11
13
15
17
18
19
20
21
22
22
21
20
19
18
17
15

Feels Like (°C)

14
12
12
10
8
9
8
7
8
11
13
16
18
19
19
22
20
20
19
18
17
16
15
13

Dew Point (°C)

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

Relative Humidity (%)

82
77
75
73
73
76
77
80
77
74
69
65
59
55
52
49
47
48
49
54
58
68
73
72

Pressure (mb)

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

Ozone (du)

334
333
332
331
331
332
332
333
333
332
333
334
333
335
335
335
335
335
336
338
343
349
351
359

Saturday 30

Waxing Gibbous 100%

22:06

04:21

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

Sun - Rise: 05:00, Set: 21:10, Transit: 13:05. Moon - Rise: 22:06, Set: 04:21. Civil Dark: 21:53 - 04:17. Nautical Dark: 22:54 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

65
48
28
36
47
85
91
95
100
97
94
92
38
64
51
21
22
27
35
47
55
52
50
47

Low Clouds (% Sky Obscured)

10
19
28
36
43
54
69
55
45
39
26
16
11
6
1
1
0
0
18
37
52
45
38
31

Medium Clouds (% Sky Obscured)

32
20
4
3
2
0
27
47
60
54
57
89
35
64
51
20
22
27
34
39
39
37
36
34

High Clouds (% Sky Obscured)

5
2
0
9
20
38
58
79
98
74
50
25
10
5
0
0
0
0
0
0
0
2
5
8

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
2
3
1
5
7
4
5
3
3
4
6
11
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
79
84
87
87
89
80
90
93
86
77
67
64
62
63
70
72
69
63
66
59
63
72
82

Pressure (mb)

1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017

Ozone (du)

365
366
369
365
355
349
346
346
346
347
347
346
347
351
354
359
360
351
345
343
343
340
339
337

Sunday 31

Full Moon 99%

22:06

05:00

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
21 Bad

Sun - Rise: 05:00, Set: 21:11, Transit: 13:05. Moon - Rise: 22:06, Set: 05:00. Civil Dark: 21:55 - 04:16. Nautical Dark: 22:56 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

50
47
75
84
92
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97

Low Clouds (% Sky Obscured)

31
32
34
52
69
80
83
81
87
89
90
90
89
86
84
86
89
91
93
95
97
95
94
92

Medium Clouds (% Sky Obscured)

37
36
33
43
52
57
55
59
99
97
96
94
90
86
84
89
94
99
98
97
95
73
52
33

High Clouds (% Sky Obscured)

5
3
9
33
56
80
77
75
74
77
91
100
100
100
100
93
86
80
87
94
99
79
59
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
4
9
4
9
7
5
3
1
1
1
2
4
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
10
5
7
52
83
95
91
95
47
64
81
95
95
95
95
95
95
75

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.4
1.3
0.5
0.9
0
0
0.4
0.7
1.1
1.5
1.5
1.1
0.7
0.4

Wind Speed/Direction (mph)

6
6
7
7
7
7
8
8
9
12
14
13
14
16
16
16
16
16
16
16
15
15
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
93
95
95
96
95
96
96
93
89
95
95
95
96
96
96
98
98
98
98
98
98
98

Pressure (mb)

1018
1018
1018
1018
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1012
1012
1011
1011
1010
1010
1009

Ozone (du)

335
334
335
334
333
335
335
333
333
333
333
334
340
339
345
349
351
353
354
361
367
373
375
378

Monday 1

Waning Gibbous 97%

23:00

05:52

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
21 Bad

Sun - Rise: 04:59, Set: 21:12, Transit: 13:05. Moon - Rise: 23:00, Set: 05:52. Civil Dark: 21:56 - 04:15. Nautical Dark: 22:58 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
92
91
96
96
95
81
58
32
46
65
90
66
44
29
48
67
85
73
64
57
73
87
100

Low Clouds (% Sky Obscured)

90
87
83
78
74
71
62
58
32
46
65
89
66
44
29
48
67
73
61
47
33
40
47
54

Medium Clouds (% Sky Obscured)

27
24
23
33
39
35
35
30
15
10
5
10
14
23
29
30
29
28
26
20
12
4
0
0

High Clouds (% Sky Obscured)

44
62
87
88
91
90
60
32
0
0
0
0
0
0
0
0
0
0
0
0
0
4
10
25

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

Very Light Rain
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 (%)

57
36
25
37
41
41
48
49
49
42
40
40
38
40
43
41
33
18
15
10
4
27
32
48

Precipitation Amount (mm)

0.2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
93
92
93
95
95
93
92
90
90
90
90
80
72
63
64
64
64
65
68
69
75
82

Pressure (mb)

1009
1009
1008
1008
1008
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1008
1008
1008
1007

Ozone (du)

380
386
392
398
399
401
402
399
396
393
390
387
385
380
375
370
367
364
361
358
355
352
351
349

Tuesday 2

Waning Gibbous 93%

23:43

06:54

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: 04:58, Set: 21:13, Transit: 13:06. Moon - Rise: 23:43, Set: 06:54. Civil Dark: 21:57 - 04:14. Nautical Dark: 23:00 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
95
91
88
92
96
100
89
78
66
61
55
50
67
72
80
81
79
77

Low Clouds (% Sky Obscured)

64
70
75
79
80
88
92
96
100
89
78
66
54
40
30
24
31
34
34
35
35

Medium Clouds (% Sky Obscured)

26
47
67
72
75
80
66
57
48
51
54
51
41
32
24
23
22
21
33
50
70

High Clouds (% Sky Obscured)

19
18
12
8
11
10
12
18
30
35
60
65
60
50
35
25
20
15
20
20
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
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

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

Precipitation Probability (%)

71
81
81
67
53
38
43
46
47
62
71
80
68
50
21
24
25
21
27
29
29

Precipitation Amount (mm)

0.4
0.5
0.5
0.3
0.2
0
0
0
0
0.3
0.4
0.6
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
12
13
15
16
19
20
21
23
23
23
22
21
21
21
21
21
21
20
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
92
93
92
92
92
93
95
96
98
98
98
92
85
77
73
70
65
71
74

Pressure (mb)

1007
1006
1005
1004
1003
1002
1001
1001
1001
1000
1001
1002
1002
1002
1003
1003
1003
1003
1002
1002
1002

Ozone (du)

348
347
345
344
344
343
342
342
343
343
344
345
346
348
350
351
352
353
354
361
369

Forecast for Swanage, Dorset, United Kingdom (50.61,-1.96)

Generated: 27/05/26 21:09:47. Forecast: 27/05/26 to 02/06/26. Timezone: UTC+1.00