Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 25

Waxing Gibbous 74%

14:53

02:36

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

Sun - Rise: 04:45, Set: 21:07, Transit: 12:57. Moon - Rise: 14:53, Set: 02:36. Civil Dark: 21:53 - 03:58. Nautical Dark: 23:04 - 02:47. Astro Dark: N/A - N/A

Total 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

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)

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

High 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

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)

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

Chance of Frost

Temperature (°C)

22
24
26
27
28
29
29
29
29
27
26
24
22
21
20
19
18
18
17
17
16
17
19
21

Feels Like (°C)

24
26
28
30
31
31
32
32
32
31
31
28
25
24
22
21
19
18
19
18
17
19
21
23

Dew Point (°C)

17
18
19
20
20
20
20
20
21
20
21
20
20
20
18
17
16
15
16
15
15
15
16
17

Relative Humidity (%)

75
72
68
64
60
59
56
56
62
65
72
78
87
89
89
84
85
85
90
90
90
88
85
77

Pressure (mb)

1031
1031
1031
1031
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028

Ozone (du)

317
317
318
319
318
317
314
314
314
314
314
315
316
316
317
316
316
317
317
317
317
317
317
317

Tuesday 26

Waxing Gibbous 82%

16:08

02:46

09 Good
10 Good
11 Good
12 Good
13 OK
14 OK
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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 04:44, Set: 21:08, Transit: 12:57. Moon - Rise: 16:08, Set: 02:46. Civil Dark: 21:55 - 03:57. Nautical Dark: 23:06 - 02:45. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
15
27
15
25
82
51
24
35
33
46
59
59
77
77
84
90
95
91
94
97
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
26
42
50
51
65
79
72
51
53
53

Medium Clouds (% Sky Obscured)

0
0
0
8
15
9
14
3
2
0
4
0
19
24
20
11
27
33
36
47
44
39
36
44

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
40
31
24
35
33
30
19
30
45
3
5
44
3
8
71
89
86

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
2
2
2
0
0
0
1
2
9
9
9
9
9
9
9

Fog (%)

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

Precipitation Probability (%)

0
0
0
2
17
34
39
57
55
85
61
43
41
38
28
39
25
7
12
12
10
4
5
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.2
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
7
7
6
5
9
8
13
12
12
11
11
11
12
11
12
12
12
13
13
14
14
15

Chance of Frost

Temperature (°C)

23
25
26
28
28
29
28
27
22
20
18
16
14
14
13
13
12
12
12
12
12
12
13
13

Feels Like (°C)

25
26
29
30
31
32
31
31
23
21
17
14
13
12
11
10
9
9
8
9
9
9
10
9

Dew Point (°C)

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

Relative Humidity (%)

72
67
62
58
57
56
57
58
85
86
95
96
98
96
96
96
96
98
95
95
95
92
89
80

Pressure (mb)

1028
1028
1027
1027
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1029
1029
1030

Ozone (du)

318
319
320
322
324
325
325
323
323
324
325
328
329
330
331
331
331
331
332
333
333
333
332
331

Wednesday 27

Waxing Gibbous 89%

17:23

02:57

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 OK
02 Bad
03 Bad
04 Bad
05 OK
06 OK
07 OK
08 Bad

Sun - Rise: 04:43, Set: 21:09, Transit: 12:57. Moon - Rise: 17:23, Set: 02:57. Civil Dark: 21:57 - 03:56. Nautical Dark: 23:09 - 02:42. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
97
62
73
95
93
77
66
51
61
65
73
65
61
62
65
38
64
57
57
26
37
40
63

Low Clouds (% Sky Obscured)

41
36
39
47
50
52
52
48
38
55
52
64
45
61
62
54
38
64
41
50
0
29
21
12

Medium Clouds (% Sky Obscured)

41
37
38
31
30
28
21
18
15
14
14
13
12
13
9
8
0
1
0
14
12
4
12
63

High Clouds (% Sky Obscured)

88
76
16
27
52
51
50
33
14
18
24
43
27
3
0
0
0
0
16
0
5
4
6
26

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 (%)

8
4
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
0
3
9

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
71
69
67
66
65
65
64
64
67
71
76
76
75
75
75
76
77
76
74
76
77
75
72

Pressure (mb)

1030
1030
1030
1030
1030
1030
1029
1029
1029
1028
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1026
1025
1025
1025

Ozone (du)

330
329
328
327
327
326
326
326
326
326
326
326
326
327
328
330
330
332
333
333
334
333
332
331

Thursday 28

Waxing Gibbous 95%

18:39

03:11

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

Sun - Rise: 04:42, Set: 21:11, Transit: 12:57. Moon - Rise: 18:39, Set: 03:11. Civil Dark: 21:58 - 03:54. Nautical Dark: 23:11 - 02:40. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

63
66
66
70
80
72
70
83
90
98
87
39
27
58
54
47
46
46
44
67
85
100
99
99

Low Clouds (% Sky Obscured)

0
9
18
26
19
12
6
4
2
21
11
22
27
23
12
0
0
0
0
10
20
31
33
35

Medium Clouds (% Sky Obscured)

63
56
28
31
27
23
17
15
7
0
0
4
1
1
0
0
3
46
3
19
16
3
41
2

High Clouds (% Sky Obscured)

6
3
3
4
22
16
15
39
66
97
70
27
1
26
26
42
41
46
44
63
80
100
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
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 (%)

7
12
13
8
22
31
13
8
6
1
0
1
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)

11
11
13
14
14
14
15
14
13
12
11
10
9
8
7
5
4
3
4
6
6
6
7
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
66
61
59
59
58
59
61
65
72
76
79
83
87
89
93
95
96
93
93
93
93
89
79

Pressure (mb)

1025
1025
1024
1023
1023
1022
1022
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1018
1018
1018
1019
1019
1020
1020

Ozone (du)

336
342
345
346
342
339
336
333
333
332
338
342
341
338
338
338
338
337
337
336
334
333
333
333

Friday 29

Waxing Gibbous 98%

19:55

03:30

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

Sun - Rise: 04:41, Set: 21:12, Transit: 12:57. Moon - Rise: 19:55, Set: 03:30. Civil Dark: 22:00 - 03:53. Nautical Dark: 23:14 - 02:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
99
99
100
94
76
80
66
56
53
49
31
23
42
40
37
33
30
30
19
17
19
13
6

Low Clouds (% Sky Obscured)

37
34
32
29
30
30
28
27
29
30
21
10
0
1
2
4
2
1
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
63
63
58
74
60
79
50
51
53
49
31
23
41
40
30
33
30
30
19
17
19
13
6

High Clouds (% Sky Obscured)

95
97
98
100
82
26
6
18
4
2
2
2
1
23
23
18
19
19
21
13
9
0
0
5

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
1
0
5
11
16
21
26

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)

11
12
11
11
12
12
10
10
9
7
5
4
5
5
5
4
4
4
4
4
4
4
5
7

Chance of Frost

Temperature (°C)

18
20
21
22
23
23
24
24
24
24
23
21
18
16
15
15
14
14
14
13
14
15
16
17

Feels Like (°C)

17
19
20
21
21
21
23
23
23
24
24
21
18
16
15
14
14
14
14
13
14
13
14
16

Dew Point (°C)

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

Relative Humidity (%)

73
67
65
62
60
57
57
56
60
66
72
76
79
86
86
83
84
86
86
87
86
86
86
83

Pressure (mb)

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

Ozone (du)

332
331
332
333
336
338
340
338
338
339
339
339
340
339
339
339
338
338
338
337
338
338
339
341

Saturday 30

Waxing Gibbous 100%

21:09

03:57

09 OK
10 OK
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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 04:40, Set: 21:13, Transit: 12:57. Moon - Rise: 21:09, Set: 03:57. Civil Dark: 22:01 - 03:52. Nautical Dark: 23:16 - 02:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
6
12
23
40
51
60
43
28
14
31
46
63
75
86
93
95
98
100
100
100
100
80
59

Low Clouds (% Sky Obscured)

0
6
12
17
12
9
5
2
2
0
0
0
0
0
0
0
1
3
4
16
28
38
29
18

Medium Clouds (% Sky Obscured)

0
6
12
23
40
51
56
43
28
14
31
46
63
75
86
90
92
93
95
97
99
100
76
53

High Clouds (% Sky Obscured)

0
6
12
23
25
25
15
13
11
9
11
13
15
16
21
22
48
74
100
77
54
35
24
19

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

Precipitation Probability (%)

21
33
39
28
56
71
68
63
55
50
40
28
7
6
3
0
0
0
0
0
2
5
7
7

Precipitation Amount (mm)

0
0
0
0
0.3
0.5
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
20
21
23
24
25
25
26
25
23
22
20
18
16
16
16
15
15
15
15
15
16
17
18

Feels Like (°C)

17
18
18
19
19
24
24
24
25
25
25
20
20
19
17
16
15
12
12
12
12
13
13
14

Dew Point (°C)

16
17
17
18
18
20
20
22
21
20
20
17
16
13
13
12
11
11
12
12
12
13
13
14

Relative Humidity (%)

82
80
76
73
70
73
74
78
80
83
85
84
83
82
81
78
76
79
82
84
83
82
81
76

Pressure (mb)

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

Ozone (du)

343
345
344
344
343
345
347
349
349
350
350
349
348
347
349
350
352
352
353
353
356
358
360
359

Sunday 31

Full Moon 99%

22:16

04:34

09 OK
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
04 Bad
05 Bad
06 Bad

Sun - Rise: 04:40, Set: 21:14, Transit: 12:57. Moon - Rise: 22:16, Set: 04:34. Civil Dark: 22:03 - 03:51. Nautical Dark: 23:19 - 02:34. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

39
40
40
39
55
70
86
81
75
71
70
69
68
73
83
93
92
91
91
87
85
71

Low Clouds (% Sky Obscured)

9
20
28
35
35
30
29
38
45
54
58
61
64
64
63
63
54
48
45
48
51
56

Medium Clouds (% Sky Obscured)

29
20
11
2
15
29
39
34
19
12
12
13
16
16
19
21
46
67
90
80
65
54

High Clouds (% Sky Obscured)

2
1
1
0
0
0
0
0
0
0
19
34
51
61
61
71
68
66
58
40
16
1

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
Very Light Rain
None
None
None

Precipitation Probability (%)

0
6
15
18
16
19
22
18
16
18
11
7
0
2
0
0
23
35
43
33
30
26

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
0

Wind Speed/Direction (mph)

13
14
13
13
13
12
12
12
10
9
8
6
6
7
7
7
8
10
10
10
9
9

Chance of Frost

Temperature (°C)

20
21
21
22
23
23
23
23
23
22
22
20
18
16
16
16
16
15
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
66
65
62
60
62
64
66
67
71
73
74
77
79
78
78
75
82
89
95
96
95

Pressure (mb)

1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1015
1015
1015
1015
1014
1014

Ozone (du)

358
357
355
353
351
347
342
337
335
332
330
328
325
323
322
322
322
323
325
326
326
326

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 25/05/26 09:10:23. Forecast: 25/05/26 to 31/05/26. Timezone: UTC+1.00