Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 28

Waxing Gibbous 94%

19:02

03:08

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

Sun - Rise: 04:37, Set: 21:39, Transit: 13:09. Moon - Rise: 19:02, Set: 03:08. Civil Dark: 22:35 - 03:41. Nautical Dark: 00:23 - 01:48. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

20
20
30
43
67
57
28
18
7
9
11
21
32
25
24
79
78
40
17
8
10
12
65
75

Low Clouds (% Sky Obscured)

11
20
30
31
29
13
6
3
0
0
0
0
0
2
0
0
0
17
17
0
0
2
3
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

20
20
13
26
54
48
9
6
5
7
7
17
26
19
20
77
64
30
6
5
9
7
65
75

ISS Passover

Visibility (miles)

9
9
9
9
9
3
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
73
66
60
58
56
54
52
52
50
50
51
54
64
69
72
75
83
90
93
93
91
93
90

Pressure (mb)

1023
1024
1024
1024
1024
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023

Ozone (du)

349
350
350
349
348
348
346
345
344
344
343
341
338
338
338
338
337
338
339
340
340
339
339
339

Friday 29

Waxing Gibbous 98%

20:23

03:22

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

Sun - Rise: 04:36, Set: 21:41, Transit: 13:09. Moon - Rise: 20:23, Set: 03:22. Civil Dark: 22:37 - 03:39. Nautical Dark: 00:30 - 01:41. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

8
6
2
11
1
21
9
57
100
100
97
100
97
95
94
97
93
99
98
84
30
41
37
37

Low Clouds (% Sky Obscured)

0
0
0
7
0
0
0
0
19
13
19
20
16
16
21
76
86
89
93
21
25
38
37
37

Medium Clouds (% Sky Obscured)

0
0
0
0
0
16
6
17
34
45
96
69
81
95
94
93
93
90
88
7
3
8
0
0

High Clouds (% Sky Obscured)

6
4
2
1
1
8
1
19
100
100
90
100
85
85
85
94
81
52
23
82
15
19
0
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
5
38
58
40
36
23
5
0
0
6
3
4
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
13
15
17
18
18
19
19
20
18
16
17
17
16
16
15
15
14
14
13
13
13
12
12

Dew Point (°C)

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

Relative Humidity (%)

83
69
57
49
41
37
36
35
38
44
53
61
65
71
78
82
85
89
89
87
92
93
93
92

Pressure (mb)

1023
1023
1023
1023
1022
1022
1022
1021
1020
1020
1020
1020
1019
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1016

Ozone (du)

339
340
341
339
337
335
337
337
335
335
333
333
333
333
336
339
344
349
356
361
363
364
364
364

Saturday 30

Waxing Gibbous 100%

21:42

03:44

07 OK
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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 04:35, Set: 21:42, Transit: 13:09. Moon - Rise: 21:42, Set: 03:44. Civil Dark: 22:38 - 03:38. Nautical Dark: 00:37 - 01:32. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

35
68
71
75
66
86
89
93
100
96
74
66
48
84
83
48
70
77
84
91
97
100
99
99

Low Clouds (% Sky Obscured)

35
32
53
35
32
35
79
88
100
96
69
28
43
79
81
44
41
61
80
91
97
100
97
97

Medium Clouds (% Sky Obscured)

0
4
2
0
0
2
3
2
4
2
3
0
0
0
0
0
0
0
2
8
16
24
23
26

High Clouds (% Sky Obscured)

16
55
41
50
61
40
3
1
0
1
2
24
2
4
12
5
29
19
2
13
25
39
26
14

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
1
4
1
2
10
4
3
4
0
2
0
0
0
0
1
1
1
1
3

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)

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

Chance of Frost

Temperature (°C)

14
15
15
16
17
18
19
18
18
18
17
17
17
16
16
15
14
13
13
13
13
13
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
80
77
74
72
67
65
66
65
70
71
72
74
79
73
76
87
90
92
89
83
83
83
86

Pressure (mb)

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

Ozone (du)

365
365
366
366
361
360
359
358
357
356
353
352
351
350
349
349
348
348
349
348
349
348
346
345

Sunday 31

Full Moon 100%

22:52

04:17

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 04:34, Set: 21:43, Transit: 13:09. Moon - Rise: 22:52, Set: 04:17. Civil Dark: 22:40 - 03:36. Nautical Dark: 00:46 - 01:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
99
98
98
98
99
100
100
100
99
99
98
98
99
99
100
100
100
100
96
92
89
89
89

Low Clouds (% Sky Obscured)

99
98
98
98
86
70
65
65
68
81
72
64
54
36
18
0
8
13
24
33
38
51
58
68

Medium Clouds (% Sky Obscured)

22
27
32
26
26
30
26
31
28
28
37
39
60
59
96
98
98
97
97
91
86
77
73
70

High Clouds (% Sky Obscured)

2
5
9
14
35
78
100
100
100
88
79
62
44
62
83
100
100
100
100
80
73
60
40
19

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 (%)

2
3
13
0
1
1
0
2
2
3
8
10
13
5
7
6
15
21
16
21
32
18
18
16

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
11
11
11
13
13
15
15
15
15
16
16
16
16
15
14
13
11
11
11
11
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

83
82
80
79
78
70
68
65
63
63
64
66
71
77
82
82
82
82
86
86
87
87
87
87

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011

Ozone (du)

345
345
344
345
346
346
345
346
348
350
350
351
353
354
356
359
363
368
370
369
370
370
372
372

Monday 1

Waning Gibbous 97%

23:49

05:07

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 04:33, Set: 21:45, Transit: 13:09. Moon - Rise: 23:49, Set: 05:07. Civil Dark: 22:42 - 03:35. Nautical Dark: 01:02 - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

89
83
76
70
75
80
86
84
82
80
79
80
81
74
66
59
62
59
58
58
58
58
54
55

Low Clouds (% Sky Obscured)

81
77
73
70
71
74
76
72
68
61
52
35
23
40
36
32
31
30
28
29
34
44
32
29

Medium Clouds (% Sky Obscured)

77
62
36
31
14
19
28
25
20
16
15
15
9
34
35
29
30
35
30
29
34
33
33
34

High Clouds (% Sky Obscured)

5
13
12
10
12
4
2
3
6
5
18
36
58
74
59
45
30
15
0
7
14
20
41
55

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 (%)

22
18
14
16
24
19
18
25
19
16
13
6
3
14
16
14
17
16
11
32
48
45
40
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
87
89
89
80
74
77
81
82
77
73
74
75
79
83
87
90
90
90
91
91
91
93
86

Pressure (mb)

1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1009
1009
1009
1009
1008

Ozone (du)

373
373
374
374
375
375
375
374
374
373
373
373
373
373
372
372
371
373
374
375
374
373
372
371

Tuesday 2

Waning Gibbous 94%

00:28

06:13

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 04:32, Set: 21:46, Transit: 13:09. Moon - Rise: 00:28, Set: 06:13. Civil Dark: 22:44 - 03:34. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

56
52
58
63
72
78
87
91
95
99
95
91
88
92
96
100
97
95
92
89
87
86
88
92

Low Clouds (% Sky Obscured)

27
34
44
54
57
64
71
75
81
85
63
42
23
21
19
17
19
21
19
20
17
15
34
54

Medium Clouds (% Sky Obscured)

39
52
58
45
35
35
35
25
16
15
20
25
30
35
55
55
68
53
47
46
48
55
60
60

High Clouds (% Sky Obscured)

56
52
58
57
48
42
42
53
65
78
66
47
16
44
72
100
80
59
43
43
39
35
35
35

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

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

Precipitation Probability (%)

69
88
95
87
76
61
44
42
47
50
52
56
55
61
70
85
79
68
48
29
19
8
11
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
11
10
11
10
10
10
10
11
11
11
11
11
10
10
11
11
11
11
11
11

Relative Humidity (%)

80
76
73
69
67
64
63
60
60
60
59
64
68
73
79
84
90
90
93
93
92
90
90
89

Pressure (mb)

1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

370
369
367
365
364
363
362
362
360
359
358
358
359
359
359
360
360
360
361
361
363
365
367
368

Wednesday 3

Waning Gibbous 88%

00:54

No Set

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
01 Bad

Sun - Rise: 04:31, Set: 21:47, Transit: 13:10. Moon - Rise: 00:54, Set: No Set. Civil Dark: 22:45 - 03:32. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

93
95
95
93
94
95
96
97
99
100
97
94
95
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

73
80
86
91
80
70
58
64
69
75
62
52
46
59
72
82
78
74
72

Medium Clouds (% Sky Obscured)

65
78
85
87
80
73
67
62
55
45
50
56
63
77
88
98
94
91
87

High Clouds (% Sky Obscured)

45
45
45
45
44
44
47
65
82
100
85
69
58
57
52
56
59
52
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8

Fog (%)

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

10
13
12
9
12
16
24
42
49
49
70
94
95
93
76
74
72
69
64

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.7
1.2
0.6
0.4
0.3
0.3
0.3
0.2

Wind Speed/Direction (mph)

7
7
8
10
12
14
15
17
17
17
17
17
16
16
16
15
16
17
18

Chance of Frost

Temperature (°C)

13
14
14
15
16
17
18
19
18
18
18
17
17
16
16
15
15
14
14

Feels Like (°C)

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

Dew Point (°C)

11
11
12
12
13
12
11
11
11
11
11
11
11
12
12
12
11
12
12

Relative Humidity (%)

87
86
84
82
81
73
65
59
60
61
62
65
69
73
77
79
80
84
89

Pressure (mb)

1007
1007
1006
1006
1006
1005
1005
1004
1004
1003
1002
1002
1001
1000
1000
1000
1000
1000
1000

Ozone (du)

369
370
371
372
372
373
375
376
375
375
375
373
371
370
367
364
361
360
359

Forecast for Frederikssund, Frederikssund Kommune, Kingdom of Denmark (55.84,12.06)

Generated: 28/05/26 06:40:41. Forecast: 28/05/26 to 03/06/26. Timezone: UTC+2.00