Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 23

First Quarter 53%

12:14

02:10

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

Sun - Rise: 04:52, Set: 20:51, Transit: 12:52. Moon - Rise: 12:14, Set: 02:10. Civil Dark: 21:34 - 04:08. Nautical Dark: 22:35 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

13
33
35
1
1
2
6
54
54
24
23
11
7
71
22
27
19
33
25
27
36
37
22
5

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
6
35
33
9
3
3
2
6
11
4
5
24
17
22
13
6
9
0

Medium Clouds (% Sky Obscured)

13
15
18
1
1
2
4
16
13
7
1
0
0
0
0
6
0
0
0
0
13
15
6
2

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
1
1
9
7
6
65
16
20
19
27
25
17
14
15
13
3

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
0
0
0
0
0
0
0
0
1
2
5
13
30
81
97
79

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
3
4
7
11
13
1
4
7
5
8
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)

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

Chance of Frost

Temperature (°C)

19
21
23
24
24
25
26
26
26
25
24
23
22
20
18
16
15
14
14
13
13
13
13
13

Feels Like (°C)

20
24
26
26
27
29
30
31
30
30
28
26
25
23
21
18
15
15
14
14
14
14
14
15

Dew Point (°C)

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

Relative Humidity (%)

85
80
75
70
67
66
64
62
63
64
64
67
76
85
90
92
92
95
95
95
95
93
95
95

Pressure (mb)

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

Ozone (du)

346
350
347
347
344
339
335
333
329
326
325
325
325
322
321
322
321
321
320
319
319
319
318
317

Sunday 24

Waxing Gibbous 64%

13:32

02:22

07 OK
08 Good
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

Sun - Rise: 04:51, Set: 20:53, Transit: 12:52. Moon - Rise: 13:32, Set: 02:22. Civil Dark: 21:36 - 04:07. Nautical Dark: 22:37 - 03:05. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

10
6
2
3
1
1
1
1
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)

10
6
2
3
1
1
1
1
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 (%)

45
14
2
2
2
3
2
2
0
2
1
1
1
1
0
6
19
26
38
56
65
66
59
52

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

Chance of Frost

Temperature (°C)

15
17
19
21
22
24
25
25
25
25
24
24
22
21
19
17
16
15
15
14
14
14
14
14

Feels Like (°C)

18
19
22
23
25
26
27
27
27
27
26
25
24
23
20
19
18
17
17
16
16
16
15
16

Dew Point (°C)

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

Relative Humidity (%)

89
83
77
73
68
65
65
64
65
67
68
70
74
81
82
79
79
79
80
80
80
82
80
78

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031

Ozone (du)

317
317
318
318
319
320
320
319
320
319
318
315
314
314
314
315
314
314
314
314
316
316
316
315

Monday 25

Waxing Gibbous 74%

14:47

02:33

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
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good

Sun - Rise: 04:50, Set: 20:54, Transit: 12:52. Moon - Rise: 14:47, Set: 02:33. Civil Dark: 21:37 - 04:06. Nautical Dark: 22:40 - 03:03. 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
1
2
1
0
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
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
1
2
1
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 (%)

38
8
6
3
3
3
2
2
1
1
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
4
6
6
7
8
8
8
8
8
8
7
6
5
5
4
4
4
4
4
3
3
2
2

Chance of Frost

Temperature (°C)

17
20
22
24
26
27
27
28
28
27
26
25
24
21
19
18
17
16
16
15
15
14
15
16

Feels Like (°C)

19
22
24
25
27
28
28
29
28
29
27
27
25
23
20
19
18
17
17
16
16
16
16
18

Dew Point (°C)

12
14
15
15
16
16
17
17
16
16
16
17
18
17
14
13
12
11
10
10
9
8
9
10

Relative Humidity (%)

73
67
63
58
55
53
51
51
49
50
52
59
70
76
75
73
71
69
69
69
68
67
66
66

Pressure (mb)

1031
1031
1032
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029

Ozone (du)

315
316
317
316
317
319
320
319
319
320
319
319
319
319
319
319
320
320
320
319
320
320
319
319

Tuesday 26

Waxing Gibbous 82%

16:01

02:45

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

Sun - Rise: 04:49, Set: 20:55, Transit: 12:52. Moon - Rise: 16:01, Set: 02:45. Civil Dark: 21:39 - 04:05. Nautical Dark: 22:42 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
10
18
31
31
42
48
44
41
37
37
37
37
38
44
44

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
4
9
21
36
48
44
40
35
34
33
32
34
37
39

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
6
11
12
16
23
30
29
23
20
19
17
14
9
3
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
1
1
1
4
8
11

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
1
1
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
3
4
5
7
8
11
11
12
13
14
14
15
14
14
13
13
13
13
13
13
13
13
14

Chance of Frost

Temperature (°C)

18
21
22
24
25
25
25
24
23
21
18
17
16
15
13
13
12
12
12
12
12
11
11
12

Feels Like (°C)

20
22
24
25
25
25
24
23
22
19
18
15
13
13
12
11
11
10
10
10
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

64
58
54
51
47
46
45
46
47
57
77
86
79
82
89
90
90
86
84
83
81
83
84
81

Pressure (mb)

1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1031
1031
1031
1031
1031
1030
1030
1030
1030

Ozone (du)

319
320
320
321
321
321
321
318
316
316
317
318
318
320
320
322
323
324
324
325
325
326
327
327

Wednesday 27

Waxing Gibbous 89%

17:14

02:58

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

Sun - Rise: 04:48, Set: 20:56, Transit: 12:52. Moon - Rise: 17:14, Set: 02:58. Civil Dark: 21:40 - 04:03. Nautical Dark: 22:44 - 02:59. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

50
56
60
69
74
78
60
38
18
22
28
33
36
42
62
40
20
9
20
25
31
52
71
86

Low Clouds (% Sky Obscured)

45
51
53
43
32
20
19
17
15
17
18
21
21
11
0
5
10
9
17
18
19
24
30
33

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

8
4
1
24
50
75
55
30
5
8
11
14
2
7
26
23
15
0
1
2
3
25
46
62

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)

14
15
15
15
16
16
16
16
16
15
15
14
13
10
8
6
5
5
4
4
3
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
60
52
46
45
43
41
40
41
43
46
50
60
65
73
81
83
85
87
87
88
88
81
76

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1030
1030
1029
1029
1029
1028
1028
1027
1027
1027
1027
1027
1026
1026
1025
1025
1025

Ozone (du)

326
325
325
325
325
326
326
326
327
327
327
328
330
332
334
336
335
334
333
334
335
335
337
338

Thursday 28

Waxing Gibbous 95%

18:28

03:15

07 Bad
08 OK
09 Good
10 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
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

Sun - Rise: 04:47, Set: 20:58, Transit: 12:53. Moon - Rise: 18:28, Set: 03:15. Civil Dark: 21:42 - 04:02. Nautical Dark: 22:46 - 02:58. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

52
25
4
20
38
54
55
60
65
51
37
22
38
55
74
77
75
78
73
60
52
60
72
90

Low Clouds (% Sky Obscured)

22
8
0
0
0
0
0
0
0
0
0
0
4
8
13
21
30
47
63
60
52
60
72
85

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
8
7
11
12
8
4
0
7
15
18
7
4
0
0
0
0

High Clouds (% Sky Obscured)

43
22
4
16
27
48
55
60
65
51
32
0
28
49
74
77
75
78
59
28
2
25
53
79

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
14
14
14
16
16
17
22
22
22
22
21
21
19
19
20
19
17
16
14
14
14
14
13

Dew Point (°C)

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

Relative Humidity (%)

70
58
49
41
39
36
34
34
35
35
41
47
56
57
60
61
61
61
61
63
68
70
70
70

Pressure (mb)

1025
1025
1024
1024
1024
1023
1023
1022
1022
1021
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017

Ozone (du)

339
340
340
341
342
343
344
342
339
337
336
336
335
335
335
335
335
335
334
336
337
339
338
338

Friday 29

Waxing Gibbous 98%

19:41

03:36

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
22 Bad
23 Bad
00 Bad

Sun - Rise: 04:46, Set: 20:59, Transit: 12:53. Moon - Rise: 19:41, Set: 03:36. Civil Dark: 21:43 - 04:01. Nautical Dark: 22:48 - 02:56. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
97
98
92
80
68
67
72
78
86
93
100
99
98
97
93
89
88

Low Clouds (% Sky Obscured)

86
86
87
83
68
65
59
56
52
57
61
67
58
47
36
40
43
50

Medium Clouds (% Sky Obscured)

17
33
45
40
25
10
4
4
3
6
9
15
20
29
36
43
70
75

High Clouds (% Sky Obscured)

82
84
89
64
36
9
14
23
29
48
73
100
99
98
97
69
38
8

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
1
1
1
16
43
42
42
44
37
21
4
5
2
0
10
18
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
18
19
21
21
22
24
24
24
24
23
22
21
19
18
16
16
15

Feels Like (°C)

13
16
17
18
18
19
20
25
24
24
24
24
24
18
18
18
18
17

Dew Point (°C)

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

Relative Humidity (%)

72
64
58
52
49
45
43
42
41
41
46
51
57
62
70
78
81
83

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017

Ozone (du)

338
337
337
336
335
335
334
335
335
336
336
335
335
335
335
335
336
337

Forecast for Canterbury, Kent, United Kingdom (51.28,1.08)

Generated: 23/05/26 06:55:22. Forecast: 23/05/26 to 29/05/26. Timezone: UTC+1.00