Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 21

Waxing Crescent 42%

11:07

01:49

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

39
29
3
23
5
0
0
0
0
0
0
0
2
10
30
6
9
10
15
5
29
54
87
77

Low Clouds (% Sky Obscured)

0
7
3
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)

3
29
3
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
8
35
37

High Clouds (% Sky Obscured)

39
29
3
23
5
0
0
0
0
0
0
0
2
10
30
6
9
10
15
4
29
54
24
69

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
4
4
4
4
4
4
4
4

Fog (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
16
34
45
52
56

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
3
6

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

Chance of Frost

Temperature (°C)

18
16
14
13
13
12
12
12
12
12
12
14
16
17
18
19
20
20
20
20
21
20
19
19

Feels Like (°C)

18
15
13
11
11
11
13
13
13
13
13
15
17
18
18
19
20
19
19
19
21
19
19
20

Dew Point (°C)

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

Relative Humidity (%)

85
89
89
90
93
95
95
95
96
95
96
92
86
81
80
76
72
70
69
69
69
70
75
80

Pressure (mb)

1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

334
337
340
345
347
350
351
349
347
346
347
348
348
349
349
349
348
347
346
346
344
342
342
340

Friday 22

Waxing Crescent 53%

12:29

02:07

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

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)

68
79
94
100
100
100
14
18
45
41
51
29
36
24
33
16
49
38
20
47
39
38
48
17

Low Clouds (% Sky Obscured)

0
12
20
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
11
0
0

Medium Clouds (% Sky Obscured)

29
22
11
76
38
55
14
13
45
27
51
29
36
24
26
14
39
30
16
34
22
17
24
9

High Clouds (% Sky Obscured)

19
53
88
100
100
100
14
17
6
11
2
1
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
3
9
1
5
9
9
9
9
9
9
9
9
4
4
4
4
4
4
4
4
4

Fog (%)

59
59
56
21
2
0
4
2
0
0
1
1
0
0
0
0
0
1
2
2
0
1
3
6

Precipitation Type

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

Precipitation Probability (%)

6
9
88
57
41
73
42
63
17
4
1
24
15
4
10
1
1
0
0
0
1
6
6
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
4
3
2
5
4
4
5
3
5
5
4
4
5
4
4
4
4
5
6
6
5
4
2

Chance of Frost

Temperature (°C)

17
15
15
15
15
15
15
14
14
14
14
15
17
19
20
22
23
23
24
24
24
24
24
23

Feels Like (°C)

19
15
14
15
15
15
14
14
15
13
14
15
19
20
22
25
26
26
26
26
26
26
26
26

Dew Point (°C)

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

Relative Humidity (%)

86
90
90
92
92
93
93
95
95
96
95
92
88
84
79
73
71
71
71
72
72
73
77
80

Pressure (mb)

1025
1024
1024
1025
1025
1024
1024
1024
1025
1025
1025
1026
1026
1027
1027
1027
1027
1028
1028
1028
1028
1027
1027
1027

Ozone (du)

338
340
341
340
342
344
346
346
348
350
353
357
348
345
344
344
340
338
335
334
332
330
329
328

Saturday 23

First Quarter 50%

13:46

02:22

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

Sun - Rise: 05:07, Set: 21:00, Transit: 13:04. Moon - Rise: 13:46, Set: 02:22. Civil Dark: 21:42 - 04:25. Nautical Dark: 22:41 - 03:26. Astro Dark: 00:20 - 01:42

Total Clouds (% Sky Obscured)

0
0
0
9
20
6
8
26
36
49
58
50
33
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
7
14
6
7
19
25
29
29
30
21
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
4
6
9
9
6
6
6
6
6
6
6
6
6
6
6
6
6
4
4
9
9
9
9

Fog (%)

3
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
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)

1
2
4
5
5
4
5
4
4
4
4
4
4
4
3
3
3
4
5
6
6
6
5
4

Chance of Frost

Temperature (°C)

21
19
18
17
16
15
15
15
14
14
15
16
18
20
22
23
25
25
26
25
25
25
24
23

Feels Like (°C)

25
22
20
18
17
17
16
16
15
16
16
18
20
23
24
27
28
28
28
28
27
27
26
26

Dew Point (°C)

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

Relative Humidity (%)

88
91
92
89
89
87
87
86
86
86
84
82
77
74
70
67
66
66
65
66
67
68
69
74

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1028

Ozone (du)

327
325
325
324
323
322
322
322
323
324
324
324
324
324
324
323
322
323
324
323
323
324
323
321

Sunday 24

Waxing Gibbous 64%

15:00

02:34

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

Sun - Rise: 05:06, Set: 21:02, Transit: 13:04. Moon - Rise: 15:00, Set: 02:34. Civil Dark: 21:44 - 04:23. Nautical Dark: 22:43 - 03:24. Astro Dark: 00:27 - 01:34

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
2

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
2

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
1

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)

3
2
1
1
1
2
2
2
3
3
3
3
3
4
5
5
6
7
7
6
6
5
4
4

Chance of Frost

Temperature (°C)

22
20
19
19
18
18
17
17
16
16
17
18
20
22
24
24
25
25
25
26
26
25
25
24

Feels Like (°C)

25
23
22
22
21
20
19
19
19
19
19
21
23
26
26
27
27
28
27
28
28
28
28
28

Dew Point (°C)

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

Relative Humidity (%)

79
80
78
80
78
78
79
82
81
83
82
80
74
69
65
63
61
60
58
56
55
56
61
70

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1029
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028

Ozone (du)

320
318
319
320
320
319
318
318
319
320
320
319
319
319
320
322
323
323
323
322
322
322
323
325

Monday 25

Waxing Gibbous 74%

16:12

02:46

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

Sun - Rise: 05:05, Set: 21:03, Transit: 13:04. Moon - Rise: 16:12, Set: 02:46. Civil Dark: 21:45 - 04:22. Nautical Dark: 22:45 - 03:22. Astro Dark: 00:34 - 01:24

Total Clouds (% Sky Obscured)

4
7
5
3
0
0
0
0
0
0
0
51
34
17
12
7
2
2
1
0
0
0
0
0

Low Clouds (% Sky Obscured)

4
7
5
2
0
0
0
0
0
0
0
10
12
14
10
6
2
1
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
2
1
0
0
0
0
0
0
0
0
24
9
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
8
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 (%)

0
0
0
1
0
0
3
3
1
2
7
7
4
0
0
0
0
0
0
0
4
4
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)

2
1
2
2
2
3
3
3
3
5
5
5
6
8
9
8
8
9
8
8
8
7
6
6

Chance of Frost

Temperature (°C)

22
20
20
19
19
18
18
18
18
18
18
19
20
21
23
24
25
26
26
26
26
24
23
21

Feels Like (°C)

26
23
23
22
22
22
22
21
21
20
20
20
21
22
23
23
24
24
28
28
27
27
27
27

Dew Point (°C)

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

Relative Humidity (%)

72
70
72
73
78
82
83
88
89
92
90
89
84
80
75
71
69
66
65
64
63
69
74
81

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1028
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028

Ozone (du)

327
326
325
324
324
324
324
323
322
322
323
322
321
321
320
321
322
323
324
325
326
326
326
326

Tuesday 26

Waxing Gibbous 82%

17:25

02:59

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

Sun - Rise: 05:04, Set: 21:04, Transit: 13:05. Moon - Rise: 17:25, Set: 02:59. Civil Dark: 21:47 - 04:21. Nautical Dark: 22:47 - 03:20. Astro Dark: 00:45 - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
1
1
0
0
0
0
0
0
0
1
0
0
0
8
16
25
35
43
45
41

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
2
3
5
6

High Clouds (% Sky Obscured)

0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
8
16
25
35
43
45
41

ISS Passover

Visibility (miles)

6
8
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 (%)

2
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
6
6
7
8
9
8
8
8
8
8
8
9
10
11
10
10
10
11
11
12
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
20
21
19
18
18
13
12
11
10
10
10
10
11
11
12
12
13
16
16
15
16
17
16

Dew Point (°C)

17
16
15
12
10
9
7
6
6
6
6
6
6
6
6
7
7
8
8
8
8
9
9
10

Relative Humidity (%)

84
86
87
80
75
69
68
68
67
67
67
67
60
54
48
49
47
47
48
47
47
51
54
58

Pressure (mb)

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

Ozone (du)

326
327
327
327
327
326
327
327
327
326
325
324
325
325
325
326
326
327
328
328
329
329
329
330

Wednesday 27

Waxing Gibbous 89%

18:38

03:13

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 OK
12 OK

Sun - Rise: 05:03, Set: 21:05, Transit: 13:05. Moon - Rise: 18:38, Set: 03:13. Civil Dark: 21:48 - 04:20. Nautical Dark: 22:49 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

42
43
42
41
21
25
35
40
35
30
25
25
26
26
24
21
18

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
5
9
14
7
3
0
0
0
0

Medium Clouds (% Sky Obscured)

6
5
11
13
15
10
6
3
9
16
25
20
10
0
9
20
18

High Clouds (% Sky Obscured)

42
43
37
41
21
25
35
40
35
30
25
25
26
26
24
17
3

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
2
3
3
18
32
38
54
64
60
46
38
33
30
17
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.4
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
8
8
7
7
7
8
8
9
10
10
11
13
15
15
15

Chance of Frost

Temperature (°C)

16
15
13
12
11
10
9
8
7
8
9
11
13
14
16
17
17

Feels Like (°C)

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

Dew Point (°C)

8
6
4
4
3
2
3
3
3
4
5
6
6
6
6
6
6

Relative Humidity (%)

57
55
53
55
57
60
64
69
75
73
72
71
64
57
51
49
49

Pressure (mb)

1026
1026
1026
1026
1025
1025
1025
1025
1024
1024
1025
1025
1025
1025
1025
1024
1024

Ozone (du)

329
329
329
329
329
329
331
333
334
335
335
335
335
335
335
336
338

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

Generated: 21/05/26 20:29:31. Forecast: 21/05/26 to 27/05/26. Timezone: UTC+1.00