Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 7

Waning Gibbous 52%

02:02

13:32

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:22, Set: 21:59, Transit: 13:41. Moon - Rise: 02:02, Set: 13:32. Civil Dark: 22:47 - 04:33. Nautical Dark: 00:02 - 03:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

75
88
96
94
79
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

52
74
59
65
63
47
25
0
0
0
6
0
38
48
76
56
45
56
42
45
66
36
46
54

Medium Clouds (% Sky Obscured)

0
25
40
35
12
33
84
98
80
68
96
100
97
97
98
99
99
93
96
100
100
100
100
99

High Clouds (% Sky Obscured)

75
88
12
9
11
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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
3
0
0
1
1
0
0
0
0
2
1
2
3
3
8
49

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)

15
14
14
13
13
12
9
8
7
6
6
6
5
5
5
6
5
6
8
9
10
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
57
59
60
59
61
66
71
74
78
82
83
82
85
83
82
82
79
77
73
67
59
54
51

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1015
1015
1014
1014

Ozone (du)

368
368
367
365
360
359
358
357
357
359
359
360
361
361
358
356
355
353
351
350
350
353
355
359

Monday 8

Third Quarter 41%

02:13

No Set

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
08 OK
09 OK
10 OK
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:21, Set: 22:00, Transit: 13:41. Moon - Rise: 02:13, Set: No Set. Civil Dark: 22:48 - 04:33. Nautical Dark: 00:04 - 03:16. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
100
100
100
77
62
46
53
47
71
52
22
31
7
31
33
74
52
26

Low Clouds (% Sky Obscured)

59
47
56
60
55
52
61
67
65
59
58
46
53
47
55
48
21
31
3
29
33
36
52
26

Medium Clouds (% Sky Obscured)

98
91
97
78
100
100
100
100
100
35
28
2
2
0
38
23
22
2
0
6
0
45
4
3

High Clouds (% Sky Obscured)

76
30
30
100
100
100
26
39
100
77
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

62
53
84
78
94
78
63
57
57
68
89
49
34
51
54
53
48
28
26
8
7
14
23
34

Precipitation Amount (mm)

0.3
0
0.7
0.4
0.7
0.5
0.3
0.2
0.3
0.4
0.8
0.2
0
0
0
0.2
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
59
70
77
59
67
72
75
79
80
84
84
83
81
81
83
87
83
79
71
60
53
51
51

Pressure (mb)

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

Ozone (du)

363
364
361
366
370
376
385
391
395
404
406
406
407
408
409
410
409
409
409
409
407
406
405
404

Tuesday 9

Waning Crescent 30%

02:24

14:51

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:21, Set: 22:00, Transit: 13:41. Moon - Rise: 02:24, Set: 14:51. Civil Dark: 22:49 - 04:32. Nautical Dark: 00:05 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

53
88
89
90
91
95
95
95
95
96
96
100
100
100
100
100
98
95
95
94
94
82
71
60

Low Clouds (% Sky Obscured)

29
33
60
64
55
63
59
62
50
46
52
50
51
43
48
53
51
43
54
58
64
59
54
47

Medium Clouds (% Sky Obscured)

35
74
84
80
76
85
80
75
75
65
65
52
66
77
79
55
71
91
89
87
85
73
62
60

High Clouds (% Sky Obscured)

0
60
89
90
91
95
44
5
90
90
90
100
100
100
100
100
96
72
65
66
60
65
70
60

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

45
51
80
76
64
69
78
52
58
47
35
33
32
33
42
46
56
72
67
71
63
68
63
41

Precipitation Amount (mm)

0
0
0.5
0.4
0.3
0.3
0.5
0
0.2
0
0
0
0
0
0
0
0.2
0.3
0.3
0.3
0
0.3
0.3
0

Wind Speed/Direction (mph)

17
17
17
15
15
15
14
12
11
11
10
9
8
8
7
7
7
7
6
7
7
9
10
11

Chance of Frost

Temperature (°C)

17
17
16
16
15
15
14
13
13
12
12
12
12
12
12
11
11
12
13
13
13
14
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
56
60
60
53
52
60
63
66
66
68
71
72
77
81
84
84
88
92
86
79
73
68
62

Pressure (mb)

1016
1016
1016
1016
1015
1015
1015
1015
1016
1016
1016
1016
1016
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

403
404
403
402
401
402
402
397
395
395
393
391
388
386
387
387
388
390
393
398
399
401
403
405

Wednesday 10

Waning Crescent 20%

02:38

16:13

14 Bad
15 Bad
16 OK
17 OK
18 OK
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

Sun - Rise: 05:21, Set: 22:01, Transit: 13:41. Moon - Rise: 02:38, Set: 16:13. Civil Dark: 22:50 - 04:32. Nautical Dark: 00:07 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

50
34
29
26
32
28
55
81
100
100
100
100
100
100
100
100
100
100
100
100
99
96
77
70

Low Clouds (% Sky Obscured)

41
34
27
23
21
20
14
21
20
5
10
16
20
19
20
40
60
80
72
65
57
68
77
70

Medium Clouds (% Sky Obscured)

27
4
4
3
20
6
44
46
28
79
75
76
83
90
100
100
100
100
100
100
97
87
48
52

High Clouds (% Sky Obscured)

50
3
0
1
15
9
34
58
98
100
99
99
99
100
100
100
100
100
67
33
0
33
67
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
6
3
8
9
9
7
5
6
4
4
4
3
3
4
4
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

39
28
11
12
12
28
43
54
59
52
34
26
43
51
71
75
95
95
95
95
95
86
59
34

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.3
0.2
0
0
0
0.2
0.5
0.4
0.7
0.8
0.9
0.9
0.7
0.6
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
17
17
16
16
15
14
14
13
12
12
12
11
12
12
12
12
12
13
13
14
14
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
52
48
47
48
53
62
66
70
74
79
76
77
84
88
87
87
87
86
81
79
75
71
67

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1015
1015
1015
1015
1015
1015
1014
1014
1014

Ozone (du)

408
409
410
412
410
411
412
412
413
414
414
416
420
421
422
422
422
422
422
423
424
424
424
424

Thursday 11

Waning Crescent 11%

02:55

17:41

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:20, Set: 22:02, Transit: 13:41. Moon - Rise: 02:55, Set: 17:41. Civil Dark: 22:51 - 04:32. Nautical Dark: 00:08 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

75
75
80
85
85
98
89
89
85
85
84
79
78
77
77
70
63
55
70
85
100
98
96
95

Low Clouds (% Sky Obscured)

75
73
62
73
77
85
83
77
75
71
71
70
69
69
68
64
59
55
56
58
59
60
61
62

Medium Clouds (% Sky Obscured)

58
59
60
59
64
63
67
67
66
62
62
56
48
30
16
13
18
24
30
37
53
63
68
70

High Clouds (% Sky Obscured)

75
75
80
67
33
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4

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

Precipitation Probability (%)

27
20
15
25
25
12
33
38
37
50
59
61
95
76
51
51
34
12
23
23
19
33
36
35

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.3
0.2
0.9
0.5
0.2
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
16
16
16
15
15
14
12
12
11
11
11
11
12
12
12
13
14
15
16
17
17
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
53
50
50
51
53
58
67
73
79
80
77
79
79
79
77
77
77
76
67
58
49
52
56

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1019
1019
1019

Ozone (du)

422
420
416
406
400
396
394
389
385
382
383
378
375
374
372
370
369
368
367
365
362
359
357
356

Friday 12

Waning Crescent 5%

03:19

19:14

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:20, Set: 22:03, Transit: 13:42. Moon - Rise: 03:19, Set: 19:14. Civil Dark: 22:51 - 04:31. Nautical Dark: 00:09 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
96
97
98
99
100
99
98
97
90
84
78
80
82
84
88
93
97
92
86
79
73
70
58

Low Clouds (% Sky Obscured)

68
75
81
74
68
61
62
64
63
62
62
62
63
63
63
71
79
87
80
73
66
59
54
48

Medium Clouds (% Sky Obscured)

73
76
79
72
65
57
55
53
42
35
28
21
26
31
36
41
45
50
45
39
34
33
34
35

High Clouds (% Sky Obscured)

4
4
12
15
14
7
24
37
50
49
47
38
19
11
3
2
0
0
2
4
5
12
18
24

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
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
None

Precipitation Probability (%)

50
53
55
56
48
37
43
42
41
45
43
39
42
33
10
23
23
9
21
20
6
10
8
3

Precipitation Amount (mm)

0
0
0.2
0.2
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
14
13
12
11
11
10
10
10
10
10
10
10
11
11
11
12
12
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

17
17
16
16
16
15
15
15
15
15
15
15
14
14
14
14
15
15
15
16
17
18
19
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
62
64
66
73
79
86
89
89
89
92
93
95
95
95
96
92
89
85
78
72
66
61
56

Pressure (mb)

1019
1020
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1023
1023
1024
1024
1025
1026
1026
1027
1027
1028

Ozone (du)

354
355
355
356
354
352
350
347
345
343
341
340
338
338
338
337
338
340
341
340
339
338
338
339

Saturday 13

Waning Crescent 1%

03:55

20:48

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: 05:20, Set: 22:03, Transit: 13:42. Moon - Rise: 03:55, Set: 20:48. Civil Dark: 22:52 - 04:31. Nautical Dark: 00:10 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

57
51
50
47
49
51
51
56
66
66
62
58
62
70
79
78
82
81

Low Clouds (% Sky Obscured)

48
51
50
47
49
51
51
56
66
66
62
58
62
62
64
64
72
75

Medium Clouds (% Sky Obscured)

40
42
42
47
38
28
23
23
28
22
17
13
22
28
34
23
21
21

High Clouds (% Sky Obscured)

16
9
3
18
33
41
21
15
8
5
5
5
5
5
4
4
4
2

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

Precipitation Probability (%)

5
4
0
0
0
0
0
0
0
0
1
0
1
0
0
1
4
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
12
11
10
9
8
7
6
5
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
20
19
18
18
18
17
15
15
16
15
15
15
14
14
14
14
14

Dew Point (°C)

10
10
9
9
9
9
9
10
10
11
11
11
11
10
10
10
10
11

Relative Humidity (%)

53
52
52
51
54
58
61
67
73
80
80
83
83
84
84
86
80
76

Pressure (mb)

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

Ozone (du)

339
340
341
343
344
345
346
345
344
343
342
342
341
341
340
340
340
340

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

Generated: 07/06/26 14:04:12. Forecast: 07/06/26 to 13/06/26. Timezone: UTC+2.00