Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 28

Waxing Gibbous 94%

19:14

03:54

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

Sun - Rise: 05:26, Set: 21:46, Transit: 13:36. Moon - Rise: 19:14, Set: 03:54. Civil Dark: 22:32 - 04:39. Nautical Dark: 23:40 - 03:30. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

71
77
70
77
1
6
8
0
16
88
100
100
94
98
98
99
77
93
79
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
10
3
0
0
0
0
0
0
0
0
0
0
0
0
0
43

Medium Clouds (% Sky Obscured)

10
0
2
2
1
5
6
0
0
0
4
29
80
77
55
77
74
57
65
14
84
83
83
78

High Clouds (% Sky Obscured)

71
75
70
5
0
0
0
0
4
86
100
100
78
93
86
94
43
78
61
99
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
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
7
2
13
0
0
1
2
27
14
4
26
21
3
5
9
95

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
2.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
24
24
24
24
23
21
19
17
17
16
16
15
15
15
16
16
17
20
22
25
27
28
29

Feels Like (°C)

23
24
24
24
24
24
22
19
17
16
15
13
13
13
13
14
15
16
19
21
24
28
28
29

Dew Point (°C)

7
8
9
9
11
13
14
11
10
9
9
11
10
8
7
8
11
13
13
17
19
20
19
20

Relative Humidity (%)

35
35
37
38
43
55
66
62
62
62
63
73
68
61
57
57
72
76
65
72
70
62
58
57

Pressure (mb)

1025
1025
1024
1024
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1022
1022
1022
1022
1022
1021
1021

Ozone (du)

351
352
353
353
353
350
349
350
350
348
346
344
342
341
339
339
344
347
346
345
344
341
339
338

Friday 29

Waxing Gibbous 98%

20:29

04:14

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

Sun - Rise: 05:25, Set: 21:47, Transit: 13:37. Moon - Rise: 20:29, Set: 04:14. Civil Dark: 22:33 - 04:38. Nautical Dark: 23:43 - 03:28. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
87
94
78
49
61
40
17
3
3
3
21
9
9
39
42
74
100
100
87

Low Clouds (% Sky Obscured)

27
3
0
1
5
6
5
1
6
1
0
0
0
0
0
0
0
0
0
7
0
4
0
0

Medium Clouds (% Sky Obscured)

97
75
89
90
100
84
94
66
46
57
24
4
3
1
1
0
0
0
0
4
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
91
34
29
27
11
27
20
6
0
1
1
6
9
5
39
40
70
100
100
85

ISS Passover

Visibility (miles)

9
9
9
9
6
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

Ice pellet
None
None
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 (%)

95
54
23
40
26
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

2.8
0
0
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)

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

Chance of Frost

Temperature (°C)

26
24
24
24
22
20
19
18
17
15
15
14
14
14
13
13
14
16
18
20
21
23
23
24

Feels Like (°C)

26
24
24
24
22
21
20
19
16
15
14
14
15
15
15
14
14
18
20
22
22
22
22
22

Dew Point (°C)

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

Relative Humidity (%)

67
68
70
71
88
92
92
93
92
90
90
90
90
90
90
89
86
78
67
55
48
45
44
45

Pressure (mb)

1021
1022
1021
1021
1021
1022
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020

Ozone (du)

335
334
334
331
330
330
333
334
338
340
342
343
344
345
343
341
339
337
338
339
339
339
340
340

Saturday 30

Waxing Gibbous 100%

21:42

04:41

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

Sun - Rise: 05:24, Set: 21:48, Transit: 13:37. Moon - Rise: 21:42, Set: 04:41. Civil Dark: 22:35 - 04:37. Nautical Dark: 23:45 - 03:26. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

45
54
76
79
48
50
61
88
92
87
94
100
100
100
98
99
83
63
100
100
100
99
100
100

Low Clouds (% Sky Obscured)

11
19
8
19
0
0
21
25
24
41
35
29
57
40
33
27
0
7
54
42
30
25
9
27

Medium Clouds (% Sky Obscured)

5
14
5
30
17
19
24
43
32
58
52
32
37
80
90
93
83
63
68
35
34
26
21
19

High Clouds (% Sky Obscured)

14
16
62
12
11
10
10
30
92
87
94
100
100
100
84
95
40
55
100
30
95
96
100
99

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
11
23
2
39
69
13
13
8
7
7
3
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
24
24
23
22
21
20
18
18
17
17
16
16
16
16
16
16
17
19
20
21
22
22
23

Feels Like (°C)

21
22
22
22
21
20
19
17
17
17
18
16
16
16
15
16
16
18
19
21
21
21
21
20

Dew Point (°C)

13
13
14
14
14
15
16
15
15
15
16
15
16
15
15
14
14
14
15
15
14
12
9
9

Relative Humidity (%)

49
50
53
55
60
68
77
83
86
90
93
95
95
95
93
90
86
82
77
70
63
52
42
42

Pressure (mb)

1019
1019
1018
1018
1017
1017
1017
1017
1016
1016
1016
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

341
343
343
343
343
342
342
342
345
346
345
345
347
349
349
351
355
359
366
370
365
358
355
354

Sunday 31

Full Moon 100%

22:48

05:19

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
14 Bad

Sun - Rise: 05:23, Set: 21:49, Transit: 13:37. Moon - Rise: 22:48, Set: 05:19. Civil Dark: 22:36 - 04:36. Nautical Dark: 23:47 - 03:25. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
99
99
100
99
95
95
92
92
92
86
91
96
95
88
81
68
76
73
80
95
95
95
97

Low Clouds (% Sky Obscured)

36
52
46
40
34
32
30
40
36
52
49
49
54
52
39
30
24
40
56
77
72
62
53
68

Medium Clouds (% Sky Obscured)

16
22
27
48
54
37
49
41
38
35
28
33
36
38
32
29
22
30
36
35
40
47
51
66

High Clouds (% Sky Obscured)

98
96
98
99
97
81
87
7
55
45
2
0
0
0
14
28
42
45
48
52
41
30
19
49

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
1
2
1
1
0
1
4
8
17
17
17
18
6
5
0
5
3
19
9
11
8
8

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

Chance of Frost

Temperature (°C)

22
21
20
20
19
19
18
16
16
16
16
15
15
15
14
14
15
16
17
19
20
20
19
20

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
10
11
12
12
11
11
11
12
13
13
13
13
14
13
11
9
8
8
9
9

Relative Humidity (%)

44
46
48
50
55
61
68
77
71
75
75
83
87
87
93
95
92
79
65
53
48
46
50
47

Pressure (mb)

1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1013
1013
1014
1014
1014
1014
1014
1014
1014
1013
1013

Ozone (du)

353
355
358
359
361
362
363
361
360
363
369
370
363
359
357
353
352
351
349
347
346
347
346
346

Monday 1

Waning Gibbous 97%

23:43

06:10

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
14 Bad

Sun - Rise: 05:22, Set: 21:51, Transit: 13:37. Moon - Rise: 23:43, Set: 06:10. Civil Dark: 22:38 - 04:35. Nautical Dark: 23:49 - 03:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

83
97
94
76
68
69
75
82
79
87
84
95
96
98
89
82
75
90
95
100
89
78
77
82

Medium Clouds (% Sky Obscured)

97
94
63
99
99
89
57
59
74
83
75
87
93
100
100
100
100
98
98
98
89
80
76
70

High Clouds (% Sky Obscured)

74
100
100
100
100
100
100
95
100
100
100
100
100
100
100
100
100
74
52
32
52
76
100
100

ISS Passover

Visibility (miles)

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

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
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
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

12
13
27
38
52
63
70
67
59
48
37
65
95
95
95
95
95
95
95
86
80
77
82
91

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.3
0.3
0
0
0
0.3
0.7
1
1.1
1.2
0.6
0.8
0.7
0.5
0.5
0.4
0.5
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
8
9
7
6
8
10
11
11
11
12
12
12
12
13
15
15
15
15
16
16
16
16
16

Relative Humidity (%)

52
47
49
46
46
55
67
74
80
82
83
84
82
80
92
98
96
96
96
98
96
95
92
90

Pressure (mb)

1013
1012
1012
1012
1011
1011
1010
1010
1009
1009
1008
1007
1006
1006
1005
1004
1004
1004
1005
1005
1004
1004
1004
1004

Ozone (du)

346
345
345
345
344
345
345
346
347
347
347
348
348
349
349
348
351
353
356
358
360
360
360
360

Tuesday 2

Waning Gibbous 93%

00:25

07:13

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
14 Bad

Sun - Rise: 05:22, Set: 21:52, Transit: 13:37. Moon - Rise: 00:25, Set: 07:13. Civil Dark: 22:39 - 04:34. Nautical Dark: 23:51 - 03:21. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
84
63
44
41
42
43
53
63
74
75
64
48
42
41
40
41
46
58
72
83
92
93

Low Clouds (% Sky Obscured)

81
80
72
62
44
40
26
13
17
25
29
30
31
32
29
25
26
28
27
30
50
69
89
87

Medium Clouds (% Sky Obscured)

66
61
66
63
44
41
42
43
53
63
74
50
25
2
9
18
26
23
27
38
39
37
38
47

High Clouds (% Sky Obscured)

100
100
84
63
44
41
42
43
24
19
18
32
46
48
42
23
0
0
0
0
1
2
4
32

ISS Passover

Visibility (miles)

5
5
6
7
8
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

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

Precipitation Probability (%)

95
95
89
77
55
34
13
4
11
19
15
28
31
14
26
32
14
34
45
54
59
61
55
62

Precipitation Amount (mm)

0.7
0.8
0.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
86
88
88
87
89
89
90
92
92
95
95
95
96
93
90
87
80
74
67
70
71
72

Pressure (mb)

1004
1003
1003
1003
1003
1003
1003
1003
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003

Ozone (du)

362
364
366
369
371
373
377
381
386
388
391
394
394
394
394
394
395
395
396
398
399
390
380
371

Wednesday 3

Waning Gibbous 88%

00:56

08:24

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: 21:53, Transit: 13:37. Moon - Rise: 00:56, Set: 08:24. Civil Dark: 22:40 - 04:33. Nautical Dark: 23:53 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
96
93
91
80
78
80
82
88
93
99
92
85
77
81
86
91
88
85
84
85
87
89

Low Clouds (% Sky Obscured)

86
83
66
51
42
50
56
61
63
65
69
70
69
67
64
61
58
53
54
53
52
50
49

Medium Clouds (% Sky Obscured)

57
67
66
61
46
44
47
53
58
58
60
41
24
8
20
32
41
44
45
45
47
47
49

High Clouds (% Sky Obscured)

65
95
93
91
80
63
34
10
33
50
55
56
61
50
31
24
17
16
14
14
36
54
73

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

75
80
77
69
53
46
39
32
39
46
49
50
54
48
49
54
52
47
40
31
48
59
69

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
74
76
77
77
79
83
87
92
95
96
96
96
96
96
95
95
93
86
78
72
69
67

Pressure (mb)

1002
1002
1002
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002
1002
1002
1002
1002
1002

Ozone (du)

366
360
354
353
353
352
352
351
351
352
354
355
356
358
360
363
365
368
375
382
388
390
392

Forecast for Kerkelanden, Gemeente Hilversum, Netherlands (52.22,5.15)

Generated: 28/05/26 15:55:50. Forecast: 28/05/26 to 03/06/26. Timezone: UTC+2.00