Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 24

Waxing Gibbous 64%

14:17

03:09

12 Bad
13 Bad
14 Bad
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
09 Good
10 Good
11 Good

Sun - Rise: 05:33, Set: 21:43, Transit: 13:38. Moon - Rise: 14:17, Set: 03:09. Civil Dark: 22:28 - 04:48. Nautical Dark: 23:33 - 03:42. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

55
50
46
7
4
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1

Low Clouds (% Sky Obscured)

0
0
1
1
1
1
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)

26
27
15
7
4
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

9
9
7
5
4
4
4
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
1
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

23
24
26
27
27
27
26
26
24
22
20
18
17
16
15
15
14
14
13
14
16
18
21
23

Feels Like (°C)

23
24
25
27
27
25
25
25
25
23
20
18
18
16
15
16
15
15
14
15
17
20
22
25

Dew Point (°C)

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

Relative Humidity (%)

47
43
39
38
37
37
41
45
51
57
58
64
73
75
77
76
79
78
79
76
67
60
53
49

Pressure (mb)

1032
1032
1032
1031
1031
1031
1031
1031
1031
1031
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1033
1033
1033
1033

Ozone (du)

320
320
320
321
321
321
320
319
319
319
319
318
317
316
315
313
313
314
314
314
315
315
315
314

Monday 25

Waxing Gibbous 74%

15:33

03:19

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
09 Good
10 Good
11 Good

Sun - Rise: 05:32, Set: 21:44, Transit: 13:39. Moon - Rise: 15:33, Set: 03:19. Civil Dark: 22:29 - 04:46. Nautical Dark: 23:35 - 03:39. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

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

1
1
1
2
2
1
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

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

Chance of Frost

Temperature (°C)

25
26
27
28
28
29
28
27
26
24
22
20
19
18
18
17
17
16
16
17
19
21
23
25

Feels Like (°C)

27
28
30
30
31
30
29
28
28
26
24
22
21
20
19
19
18
18
17
18
20
23
25
27

Dew Point (°C)

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

Relative Humidity (%)

45
43
40
38
37
37
40
44
51
58
63
67
67
67
72
78
78
78
75
72
63
56
50
45

Pressure (mb)

1033
1032
1032
1032
1032
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

314
313
314
313
313
313
313
312
312
313
315
314
311
310
310
310
309
310
310
310
310
311
313
315

Tuesday 26

Waxing Gibbous 82%

16:48

03:30

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

Sun - Rise: 05:31, Set: 21:46, Transit: 13:39. Moon - Rise: 16:48, Set: 03:30. Civil Dark: 22:31 - 04:45. Nautical Dark: 23:38 - 03:37. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
3
4
3
3
1
1
1
0
59
55
75
75
72
68
87
74
78
52
38
13
14

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
1
0
0
0
31
40
32
16
47
44
35
23
14
4
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
40
40
34
31
28
18
25
13
3
2
1
2
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
14
18
46
45
45
54
37
34
10
9

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
1
1
4
5
1
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
3
2
2
4
8
10
8
7
7
6
7
7
7
8
8
9
9
9
9
11
11
11
11

Chance of Frost

Temperature (°C)

27
29
30
31
31
30
28
25
23
21
19
18
17
16
16
15
15
14
14
13
14
15
16
17

Feels Like (°C)

30
30
32
33
32
30
27
26
25
22
20
19
18
17
16
16
14
13
12
12
12
13
14
15

Dew Point (°C)

13
13
13
13
13
13
13
12
12
12
12
12
12
12
13
14
13
11
11
9
7
6
5
4

Relative Humidity (%)

40
37
35
33
33
36
40
45
50
57
62
66
72
75
85
90
87
83
83
76
64
54
47
42

Pressure (mb)

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

Ozone (du)

317
318
319
319
320
321
322
324
324
326
329
333
330
327
324
324
324
325
326
326
324
324
325
325

Wednesday 27

Waxing Gibbous 89%

18:02

03:42

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

Sun - Rise: 05:30, Set: 21:47, Transit: 13:39. Moon - Rise: 18:02, Set: 03:42. Civil Dark: 22:33 - 04:44. Nautical Dark: 23:40 - 03:35. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

17
20
14
8
3
2
1
1
8
17
23
26
31
36
34
34
32
44
58
70
70
71
67
46

Low Clouds (% Sky Obscured)

15
20
13
7
0
0
0
0
8
16
23
26
31
36
34
34
32
44
46
48
42
36
30
19

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)

7
8
4
4
3
2
1
1
1
1
1
0
0
0
0
0
0
20
40
60
62
64
67
46

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)

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

Chance of Frost

Temperature (°C)

18
19
20
21
21
21
20
19
18
16
14
13
12
11
10
10
9
9
9
10
11
13
15
17

Feels Like (°C)

16
17
18
19
19
19
18
17
16
14
13
11
11
10
9
9
8
8
8
9
9
11
13
15

Dew Point (°C)

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

Relative Humidity (%)

38
37
35
33
32
31
34
38
42
50
55
61
64
67
68
69
70
70
70
66
57
47
41
35

Pressure (mb)

1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

324
323
324
325
327
328
328
328
328
328
328
330
332
334
335
335
336
337
337
337
337
337
338
338

Thursday 28

Waxing Gibbous 94%

19:17

03:57

12 OK
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 OK
02 OK
03 OK
04 OK
05 OK
06 Bad
07 Bad
08 Bad
09 OK
10 Good
11 Good

Sun - Rise: 05:29, Set: 21:48, Transit: 13:39. Moon - Rise: 19:17, Set: 03:57. Civil Dark: 22:34 - 04:42. Nautical Dark: 23:42 - 03:33. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

24
4
4
4
4
3
2
1
2
2
13
11
15
19
21
23
22
44
70
95
63
32
0
12

Low Clouds (% Sky Obscured)

9
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
4
6
6
4
3
4
3
1
0
5

High Clouds (% Sky Obscured)

24
4
4
4
4
3
2
1
1
1
4
3
5
5
0
0
0
30
60
90
60
30
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)

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

Chance of Frost

Temperature (°C)

18
20
21
22
23
23
23
22
20
18
16
15
14
13
13
12
12
11
12
13
14
17
19
21

Feels Like (°C)

16
18
20
21
22
22
22
21
20
17
15
13
12
12
11
11
10
10
10
9
9
15
16
17

Dew Point (°C)

1
1
2
2
3
3
4
6
7
8
7
7
7
8
8
7
7
6
6
6
6
7
7
7

Relative Humidity (%)

31
29
27
26
27
27
28
34
42
52
56
59
63
69
71
71
72
72
67
63
58
51
45
39

Pressure (mb)

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

Ozone (du)

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

Friday 29

Waxing Gibbous 98%

20:32

04:17

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

Sun - Rise: 05:28, Set: 21:49, Transit: 13:39. Moon - Rise: 20:32, Set: 04:17. Civil Dark: 22:36 - 04:41. Nautical Dark: 23:44 - 03:32. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

23
33
26
19
11
15
20
25
47
70
93
97
99
100
100
100
100
100
100
100
96
89
81
75

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)

12
20
15
10
5
9
12
16
15
15
12
18
25
32
41
51
62
63
64
66
66
66
67
63

High Clouds (% Sky Obscured)

0
1
2
3
4
4
4
4
29
51
73
82
91
100
100
100
100
100
100
100
96
89
81
65

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
1
7
12
15
17
11
12
13
0
4

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

Chance of Frost

Temperature (°C)

23
24
26
26
27
27
26
26
25
23
21
20
19
18
18
18
17
17
18
18
19
21
23
25

Feels Like (°C)

17
19
20
27
27
27
28
28
28
24
24
23
22
22
21
16
17
17
16
16
15
19
20
20

Dew Point (°C)

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

Relative Humidity (%)

36
34
32
32
32
33
35
38
42
46
52
59
61
63
66
65
64
63
60
57
54
50
44
39

Pressure (mb)

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

Ozone (du)

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

Saturday 30

Waxing Gibbous 100%

21:44

04:44

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

Sun - Rise: 05:27, Set: 21:51, Transit: 13:39. Moon - Rise: 21:44, Set: 04:44. Civil Dark: 22:37 - 04:40. Nautical Dark: 23:47 - 03:30. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

72
58
60
56
58
65
77
89
90
91
93
96
97
99
92
84
76
83
91
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
16
34
51
65
77
85
79
69
64
61
66
67

Medium Clouds (% Sky Obscured)

63
58
60
56
58
54
36
21
20
22
30
29
29
33
26
13
1
16
31
42

High Clouds (% Sky Obscured)

33
4
3
2
1
32
63
89
87
87
85
82
84
90
88
84
76
83
85
92

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

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
4
2
2
1
7
6
5
8
13
19
34
35
32
20
13
7
7
3
1

Precipitation Amount (mm)

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
10
10
10
10
10
9
9
9
9
9
9
9
10
10
9
9
9
9
9

Chance of Frost

Temperature (°C)

26
27
28
27
27
27
26
24
23
22
20
19
19
18
18
17
17
16
17
18

Feels Like (°C)

20
21
22
28
27
26
26
26
26
21
21
22
21
20
20
16
17
17
16
15

Dew Point (°C)

10
10
10
10
10
10
10
11
11
11
11
12
12
12
12
11
11
11
10
10

Relative Humidity (%)

37
35
34
33
33
33
37
41
45
50
56
62
63
66
68
68
69
68
64
60

Pressure (mb)

1016
1016
1016
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012

Ozone (du)

341
341
340
341
342
343
342
341
340
340
340
339
341
342
344
344
344
344
346
349

Forecast for Leiden, Gemeente Leiden, Netherlands (52.16,4.50)

Generated: 24/05/26 12:18:38. Forecast: 24/05/26 to 30/05/26. Timezone: UTC+2.00