Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 21

Waxing Crescent 28%

10:55

01:43

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

Sun - Rise: 04:57, Set: 20:53, Transit: 12:55. Moon - Rise: 10:55, Set: 01:43. Civil Dark: 21:36 - 04:14. Nautical Dark: 22:36 - 03:13. Astro Dark: 00:29 - 01:06

Total Clouds (% Sky Obscured)

26
19
23
7
28
100
100
100
28
3
0
0
0
1
3
3
4
25
16
18
0
0
1
10

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
16
6
0
0
0
0

Medium Clouds (% Sky Obscured)

1
0
0
7
28
14
88
34
13
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

26
19
23
7
28
100
100
82
23
2
0
0
0
1
3
3
4
19
3
12
0
0
1
10

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)

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

Chance of Frost

Temperature (°C)

22
21
19
17
16
15
15
15
14
14
14
13
14
15
18
19
21
23
24
25
26
26
26
25

Feels Like (°C)

21
20
20
16
16
14
14
14
14
13
14
15
15
16
18
19
21
22
24
25
25
25
25
25

Dew Point (°C)

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

Relative Humidity (%)

61
64
70
76
75
74
74
73
76
80
84
89
86
78
70
63
59
54
50
47
46
46
47
48

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025

Ozone (du)

337
335
334
335
335
336
339
344
346
346
349
348
347
345
343
343
344
343
342
342
342
341
340
339

Friday 22

Waxing Crescent 42%

12:18

02:01

18 Good
19 Good
20 Good
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 OK
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 04:56, Set: 20:54, Transit: 12:55. Moon - Rise: 12:18, Set: 02:01. Civil Dark: 21:37 - 04:12. Nautical Dark: 22:38 - 03:11. Astro Dark: 00:45 - N/A

Total Clouds (% Sky Obscured)

3
5
11
77
82
91
100
100
100
100
64
61
71
50
54
74
61
64
56
37
52
67
45
30

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
8
0
0
0
0
0
0
7
5
22
11
24
28
30

Medium Clouds (% Sky Obscured)

0
0
6
29
28
27
20
12
64
59
17
20
71
24
54
74
38
38
42
20
24
32
21
4

High Clouds (% Sky Obscured)

3
5
4
45
62
72
100
98
100
100
42
20
20
15
18
2
1
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
3
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
7
18
74
46
13
29
18
0
0
1
0
6
12
18
36

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.6
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
6
4
4
4
4
4
4
5
4
4
4
2
3
4
4
5
5
7
8
9
10
11

Chance of Frost

Temperature (°C)

25
24
23
21
19
19
19
18
18
18
18
17
17
18
19
21
22
23
25
26
26
27
27
27

Feels Like (°C)

24
24
24
23
22
21
20
19
18
18
18
17
17
19
20
22
23
26
27
27
28
28
28
27

Dew Point (°C)

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

Relative Humidity (%)

52
57
66
77
82
84
84
82
80
78
81
85
93
92
86
82
73
61
52
48
46
44
44
46

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

340
340
339
338
336
336
335
334
334
336
339
339
340
344
348
346
344
344
341
339
336
334
334
331

Saturday 23

First Quarter 53%

13:36

02:14

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

Sun - Rise: 04:54, Set: 20:55, Transit: 12:56. Moon - Rise: 13:36, Set: 02:14. Civil Dark: 21:39 - 04:11. Nautical Dark: 22:40 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

41
36
29
7
1
10
5
3
15
32
18
26
4
5
3
17
11
4
6
9
16
19
14
6

Low Clouds (% Sky Obscured)

38
36
28
6
0
0
0
0
15
23
18
7
1
1
1
0
1
0
3
8
16
19
14
6

Medium Clouds (% Sky Obscured)

6
0
3
3
0
4
3
2
5
16
4
11
0
3
3
6
3
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
1
1
1
1
2
0
0
0
0
0
0
2
2
2
2
2
2
2
2
2
2
2
0

ISS Passover

Visibility (miles)

9
8
9
9
1
2
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
1
2
2
2
7
100
99
99
100
98
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

49
53
42
56
60
13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
14
25

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
8
5
5
4
3
2
2
2
2
2
3
2
2
2
2
2
2
3
4
5
7
7
8

Chance of Frost

Temperature (°C)

25
23
22
20
19
18
17
16
16
16
15
15
15
17
18
20
23
25
27
28
28
28
28
27

Feels Like (°C)

26
25
25
23
22
22
21
20
20
19
19
18
19
20
22
24
27
29
30
30
30
30
30
29

Dew Point (°C)

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

Relative Humidity (%)

53
67
78
89
92
95
96
95
96
95
96
98
98
93
88
79
67
60
53
49
49
52
58
60

Pressure (mb)

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

Ozone (du)

328
324
323
322
322
324
325
324
323
324
325
323
322
322
322
322
323
324
324
324
324
324
323
322

Sunday 24

Waxing Gibbous 64%

14:51

02:26

18 OK
19 OK
20 OK
21 Bad
22 Bad
23 OK
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 OK
16 OK
17 Good

Sun - Rise: 04:53, Set: 20:57, Transit: 12:56. Moon - Rise: 14:51, Set: 02:26. Civil Dark: 21:40 - 04:10. Nautical Dark: 22:42 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

1
1
1
11
9
2
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
1
1

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
1
1

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)

1
0
0
0
0
0
0
0
0
0
1
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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

33
34
36
32
36
20
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
2

Precipitation Amount (mm)

0
0
0.2
0.2
0.2
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
6
5
4
4
4
3
2
2
2
2
2
1
2
2
3
4
4
5
6
7
8
8

Chance of Frost

Temperature (°C)

26
25
23
21
20
19
19
18
18
17
17
17
17
18
20
22
25
26
28
30
30
30
30
29

Feels Like (°C)

27
27
26
24
23
22
22
22
21
20
20
20
21
22
25
27
29
30
32
33
33
32
32
31

Dew Point (°C)

19
18
18
20
19
18
18
17
17
16
16
16
16
16
17
17
17
16
16
16
16
16
19
20

Relative Humidity (%)

65
65
73
91
93
93
93
92
93
93
93
95
93
88
82
73
63
54
46
43
41
42
51
55

Pressure (mb)

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

Ozone (du)

321
319
319
319
320
321
321
321
320
319
317
316
316
316
317
317
317
316
315
315
315
314
313
313

Monday 25

Waxing Gibbous 74%

16:05

02:37

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

Sun - Rise: 04:52, Set: 20:58, Transit: 12:56. Moon - Rise: 16:05, Set: 02:37. Civil Dark: 21:42 - 04:08. Nautical Dark: 22:45 - 03:05. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
0
0
0
0
0
4
2
0
0
0
0
2
4
6
7
9

Low Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
6
7
9

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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

14
18
17
12
7
3
2
4
38
42
41
16
21
24
20
14
9
2
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
6
4
4
3
3
3
2
2
2
1
2
3
4
5
6
5
6
6
7
8
9
10
9

Chance of Frost

Temperature (°C)

29
28
26
24
23
22
21
21
20
19
19
19
19
19
20
22
24
25
26
27
26
24
23
22

Feels Like (°C)

30
30
29
27
26
26
25
24
24
23
23
23
22
22
22
22
24
24
25
26
29
28
28
26

Dew Point (°C)

20
19
18
18
18
19
19
18
18
18
18
18
18
18
16
15
14
15
15
16
16
16
16
15

Relative Humidity (%)

59
58
62
67
75
81
84
85
85
91
93
95
95
92
77
65
55
54
52
51
55
60
65
67

Pressure (mb)

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

Ozone (du)

313
313
313
313
314
314
314
313
313
314
315
317
318
319
320
320
321
321
320
320
321
322
323
324

Tuesday 26

Waxing Gibbous 82%

17:18

02:48

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

Sun - Rise: 04:51, Set: 20:59, Transit: 12:56. Moon - Rise: 17:18, Set: 02:48. Civil Dark: 21:43 - 04:07. Nautical Dark: 22:47 - 03:03. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

26
25
12
0
12
26
45
54
60
60
53
47
42
49
53
57
57
59
59
52
43
35
37
38

Low Clouds (% Sky Obscured)

26
24
10
0
8
17
25
22
18
10
8
4
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
2
4
5
9
12
16
19
35
32
20
15
9
9
6
6
8
7
9
13
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
6
11
13
14
18
19
20
14
12
12
12
14
15

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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

25
24
17
16
16
15
15
14
11
11
10
10
10
10
11
11
12
13
14
15
18
17
17
17

Dew Point (°C)

14
14
13
12
10
10
9
9
9
8
7
7
7
7
6
5
5
5
5
6
6
6
6
6

Relative Humidity (%)

67
69
70
72
72
74
77
80
83
83
83
78
76
73
62
52
44
42
40
38
38
38
38
42

Pressure (mb)

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

Ozone (du)

324
325
324
323
322
321
321
321
321
321
321
321
321
321
322
322
323
323
324
324
324
325
326
326

Wednesday 27

Waxing Gibbous 89%

No Rise

03:01

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

Sun - Rise: 04:50, Set: 21:01, Transit: 12:56. Moon - Rise: No Rise, Set: 03:01. Civil Dark: 21:45 - 04:06. Nautical Dark: 22:49 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

40
43
47
43
40
34
29
39
48
50
30
30
20
30
45
55
55
60
65

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
9
16
20
12
5
0
0
0
0

Medium Clouds (% Sky Obscured)

14
12
11
10
5
1
0
2
4
6
4
4
3
9
15
24
27
27
23

High Clouds (% Sky Obscured)

27
26
21
18
26
28
25
36
48
50
30
30
20
30
45
55
55
60
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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
1
2
2

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)

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

Chance of Frost

Temperature (°C)

19
18
16
14
13
12
12
11
10
10
9
11
12
13
15
16
17
18
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
48
55
61
70
73
76
80
81
82
85
81
77
74
62
54
46
44
42

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

326
327
327
327
327
327
328
329
329
329
329
330
330
331
333
335
337
338
339

Forecast for Wilmington, Kent, United Kingdom (51.43,0.21)

Generated: 21/05/26 17:58:49. Forecast: 21/05/26 to 27/05/26. Timezone: UTC+1.00