Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 16

New Moon 1%

05:00

21:09

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:15, Set: 20:51, Transit: 13:04. Moon - Rise: 05:00, Set: 21:09. Civil Dark: 21:31 - 04:35. Nautical Dark: 22:26 - 03:39. Astro Dark: 23:45 - 02:18

Total Clouds (% Sky Obscured)

100
100
100
99
92
94
97
69
93
99
99
100
100
100
100
49
100
100
100
100
100
87
70
100

Low Clouds (% Sky Obscured)

59
63
80
73
82
93
84
59
60
45
54
15
41
7
45
49
53
14
6
17
0
39
0
0

Medium Clouds (% Sky Obscured)

100
97
53
43
92
41
47
10
24
91
98
100
100
100
44
49
100
100
100
100
100
86
70
100

High Clouds (% Sky Obscured)

100
83
80
48
0
9
71
41
60
96
98
100
100
100
100
49
32
100
65
65
65
65
60
45

ISS Passover

Visibility (miles)

9
9
9
9
9
8
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
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

49
48
43
56
46
49
48
17
7
13
14
18
20
7
2
1
0
1
4
7
10
16
30
35

Precipitation Amount (mm)

0
0
0
0.3
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
9
9
9
9
10
10
9
8
8
7
7
7
7
7
9
10
10
10
10
12
12
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
9
9
9
8
8
7
7
7
6
5
5
5
5
6
7
8
9
10
10
10
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

93
92
89
90
93
95
93
95
95
95
93
93
93
91
91
85
78
67
61
57
57
64
68
69

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012

Ozone (du)

379
380
384
393
397
399
392
390
394
398
401
403
404
406
408
409
413
415
416
419
421
420
422
422

Sunday 17

Waxing Crescent 5%

05:47

22:38

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:14, Set: 20:52, Transit: 13:04. Moon - Rise: 05:47, Set: 22:38. Civil Dark: 21:33 - 04:33. Nautical Dark: 22:28 - 03:37. Astro Dark: 23:49 - 02:14

Total Clouds (% Sky Obscured)

62
85
100
87
42
52
37
43
49
29
53
58
72
67
56
52
94
95
99
96
88
94
90
97

Low Clouds (% Sky Obscured)

0
0
22
56
42
50
37
43
49
29
53
55
58
38
40
26
23
23
50
45
35
31
38
34

Medium Clouds (% Sky Obscured)

62
85
96
31
10
52
37
43
49
29
50
55
67
67
50
52
61
69
73
89
58
80
71
56

High Clouds (% Sky Obscured)

35
28
0
0
1
20
14
0
0
0
0
0
0
0
13
3
11
4
73
8
10
8
26
81

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
7
5
3
5
7
9
6
6
9
9
9
8
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
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

37
22
28
37
29
21
41
47
57
87
82
65
45
55
64
55
45
33
41
22
29
19
23
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
12
10
6
5
5
6
5
6
7
5
5
7
7
7
10
11
9
13
13
14
14
15
16

Chance of Frost

Temperature (°C)

12
11
10
9
7
7
6
6
6
6
7
7
7
7
8
10
11
11
13
13
13
13
14
13

Feels Like (°C)

7
7
7
7
6
6
5
3
3
3
5
5
5
4
5
6
7
8
9
9
8
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

80
77
78
81
87
90
90
90
90
93
94
94
90
91
93
88
88
88
77
77
76
74
70
72

Pressure (mb)

1012
1012
1012
1012
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

423
424
428
431
431
435
440
439
426
419
419
421
411
409
407
403
396
392
388
386
385
384
380
378

Monday 18

Waxing Crescent 12%

06:53

23:53

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK

Sun - Rise: 05:13, Set: 20:54, Transit: 13:04. Moon - Rise: 06:53, Set: 23:53. Civil Dark: 21:35 - 04:32. Nautical Dark: 22:31 - 03:35. Astro Dark: 23:54 - 02:09

Total Clouds (% Sky Obscured)

97
97
100
100
99
100
100
100
99
100
100
100
100
100
100
79
78
95
94
83
59
41
25
25

Low Clouds (% Sky Obscured)

22
42
48
56
41
58
75
85
88
93
93
88
92
100
99
78
64
67
67
60
48
36
23
15

Medium Clouds (% Sky Obscured)

71
81
95
97
99
100
96
100
99
100
100
94
100
46
100
45
65
40
42
31
17
9
0
0

High Clouds (% Sky Obscured)

72
26
100
100
90
100
100
100
86
100
100
99
86
99
0
0
0
0
0
0
1
0
3
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
7
2
4
6
2
6
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
11
21
21
10
13
61
67
95
95
95
95
95
91
43
23
18
21
20
21
23
25
15
14

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.3
1
1.5
0.7
1.4
2.2
0.5
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
14
11
10
10
11
12
13
14
15
16
17
15
13
15
17
16
17
19
20
21
22
22
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
79
84
87
91
90
90
91
93
96
98
96
98
98
98
93
89
87
86
75
72
75
78
79

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1011
1010
1010
1009
1008
1007
1007
1007
1008
1008
1009
1009
1010
1010
1011
1011
1012

Ozone (du)

375
373
370
369
367
368
370
373
380
380
386
396
388
384
383
384
385
387
390
401
395
391
384
378

Tuesday 19

Waxing Crescent 21%

08:14

00:47

17 OK
18 OK
19 OK
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 OK
16 OK

Sun - Rise: 05:11, Set: 20:55, Transit: 13:04. Moon - Rise: 08:14, Set: 00:47. Civil Dark: 21:36 - 04:30. Nautical Dark: 22:33 - 03:33. Astro Dark: 23:58 - 02:05

Total Clouds (% Sky Obscured)

18
21
17
44
55
72
86
100
100
100
100
100
100
86
97
96
94
86
88
85
70
54
37
34

Low Clouds (% Sky Obscured)

9
2
13
36
45
42
39
36
45
63
79
77
73
68
73
76
86
73
62
67
50
28
11
9

Medium Clouds (% Sky Obscured)

2
21
0
0
0
19
34
45
46
48
64
80
56
60
51
41
51
20
10
0
30
0
0
0

High Clouds (% Sky Obscured)

10
0
0
6
0
30
57
91
91
100
89
100
100
86
70
43
15
19
35
45
41
28
22
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

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 (%)

9
3
3
2
11
1
8
0
2
4
8
30
40
46
40
33
27
21
15
3
4
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
87
93
84
81
80
84
90
92
92
92
90
90
89
84
86
80
73
77
77
74
70
72

Pressure (mb)

1012
1013
1014
1015
1015
1016
1017
1017
1017
1017
1018
1018
1018
1019
1019
1020
1021
1021
1022
1022
1023
1023
1023
1023

Ozone (du)

379
381
377
373
371
366
366
362
361
360
358
357
357
356
353
352
350
351
349
349
347
348
349
350

Wednesday 20

Waxing Crescent 21%

09:41

01:24

17 OK
18 Good
19 OK
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
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 OK
15 OK
16 Bad

Sun - Rise: 05:10, Set: 20:56, Transit: 13:04. Moon - Rise: 09:41, Set: 01:24. Civil Dark: 21:38 - 04:29. Nautical Dark: 22:35 - 03:31. Astro Dark: 00:03 - 02:00

Total Clouds (% Sky Obscured)

16
10
19
16
20
51
70
91
95
97
100
100
100
100
84
75
67
59
52
45
31
17
4
35

Low Clouds (% Sky Obscured)

3
2
2
1
0
4
8
12
17
21
25
27
33
39
53
45
38
33
27
23
16
8
1
1

Medium Clouds (% Sky Obscured)

0
0
0
1
1
2
2
2
22
66
60
43
22
0
30
15
8
7
8
10
7
3
0
4

High Clouds (% Sky Obscured)

8
7
14
16
20
47
67
86
91
95
100
100
100
100
35
29
26
19
14
7
6
5
4
32

ISS Passover

Visibility (miles)

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

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 (%)

1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
3
3
2
3

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)

16
15
13
11
9
8
7
6
6
5
5
5
4
4
5
6
8
9
9
9
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
14
11
10
10
10
10
9
9
9
9
9
10
11
12
12
13
13
14
15
19
18
18

Dew Point (°C)

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

Relative Humidity (%)

74
78
82
84
93
95
95
95
95
95
95
93
95
95
93
89
85
81
78
77
73
75
76
76

Pressure (mb)

1023
1024
1024
1024
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025

Ozone (du)

350
349
349
347
347
347
348
347
345
342
339
338
337
336
337
336
336
336
336
336
336
336
336
335

Thursday 21

Waxing Crescent 31%

11:07

01:49

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 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:09, Set: 20:58, Transit: 13:04. Moon - Rise: 11:07, Set: 01:49. Civil Dark: 21:39 - 04:27. Nautical Dark: 22:37 - 03:29. Astro Dark: 00:08 - 01:54

Total Clouds (% Sky Obscured)

63
89
62
40
25
25
27
30
29
21
12
28
44
55
55
55
55
58
64
72
66
58
50
67

Low Clouds (% Sky Obscured)

1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12

Medium Clouds (% Sky Obscured)

7
10
7
5
4
7
10
18
15
10
4
3
1
0
3
5
7
18
28
40
33
22
11
31

High Clouds (% Sky Obscured)

59
87
62
32
1
1
0
0
3
7
10
28
44
55
55
55
55
58
64
72
66
58
50
67

ISS Passover

Visibility (miles)

5
5
6
7
8
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 (%)

3
2
4
3
0
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1
12
19
23
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)

10
9
9
7
6
5
4
4
4
4
3
3
3
4
4
6
8
9
9
10
10
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
79
83
86
90
93
93
93
93
92
93
92
92
92
89
85
78
73
71
68
66
68
67
67

Pressure (mb)

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

Ozone (du)

337
339
342
340
339
337
337
337
338
337
336
335
335
335
334
335
335
335
335
336
337
337
337
338

Friday 22

Waxing Crescent 42%

12:29

02:07

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

Sun - Rise: 05:08, Set: 20:59, Transit: 13:04. Moon - Rise: 12:29, Set: 02:07. Civil Dark: 21:41 - 04:26. Nautical Dark: 22:39 - 03:27. Astro Dark: 00:14 - 01:48

Total Clouds (% Sky Obscured)

80
92
94
97
100
86
72
48
42
42
41
35
29
25
30
35
40
50
59
69

Low Clouds (% Sky Obscured)

24
34
46
57
69
63
57
48
42
42
41
35
29
25
30
35
35
30
24
17

Medium Clouds (% Sky Obscured)

45
63
72
81
94
67
48
30
32
34
41
24
13
1
11
20
33
24
13
0

High Clouds (% Sky Obscured)

80
92
94
86
83
66
51
36
42
42
41
35
29
0
0
2
3
20
31
45

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

67
83
95
95
95
73
45
3
3
1
0
2
2
1
6
10
4
10
16
2

Precipitation Amount (mm)

0.3
0.4
0.8
0.9
0.9
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
7
6
5
5
4
3
3
3
4
5
4
5
5
5
6
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
74
78
79
82
84
84
86
87
89
89
90
89
89
90
80
73
68
63
61

Pressure (mb)

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

Ozone (du)

338
338
339
344
350
356
356
356
357
354
352
349
347
344
342
341
340
338
337
336

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

Generated: 16/05/26 17:30:10. Forecast: 16/05/26 to 22/05/26. Timezone: UTC+1.00