Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 29

Waxing Gibbous 98%

21:41

04:15

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

Sun - Rise: 05:26, Set: 21:48, Transit: 13:37. Moon - Rise: 21:41, Set: 04:15. Civil Dark: 22:34 - 04:39. Nautical Dark: 23:41 - 03:30. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
93
92
70
49
66
72
76
69
73
73
65
45
90
44
12
18
10
46
90
45
24
80
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
0
14
33
39
22
0
0

Medium Clouds (% Sky Obscured)

50
27
27
29
32
36
41
51
54
54
50
40
28
17
11
0
0
0
10
4
2
0
5
38

High Clouds (% Sky Obscured)

60
71
8
0
1
24
34
37
3
8
5
24
11
79
30
12
18
10
22
81
12
5
69
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
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 (%)

7
8
0
0
0
0
1
1
0
0
1
2
2
0
0
0
0
0
0
0
0
0
1
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
6
5
4
4
3
2
2
2
3
3
3
3
3
2
1
1
2
2
4
7
8
7
7

Chance of Frost

Temperature (°C)

17
16
15
15
15
14
14
14
15
17
18
20
22
23
24
25
26
26
26
26
25
23
21
19

Feels Like (°C)

15
15
15
14
16
16
16
15
17
18
20
21
23
24
26
25
25
26
26
25
24
22
21
19

Dew Point (°C)

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

Relative Humidity (%)

72
77
80
82
82
83
83
82
75
65
57
50
47
42
40
39
38
39
41
46
56
62
67
71

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1019
1019
1018
1018
1018
1017
1017
1017

Ozone (du)

330
332
335
337
337
337
336
334
332
330
330
330
329
329
330
332
334
335
336
337
338
338
339
341

Saturday 30

Waxing Gibbous 100%

22:47

04:42

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

Sun - Rise: 05:25, Set: 21:49, Transit: 13:37. Moon - Rise: 22:47, Set: 04:42. Civil Dark: 22:35 - 04:38. Nautical Dark: 23:43 - 03:28. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

31
95
100
100
100
100
100
88
76
67
100
100
100
100
100
100
74
54
68
57
98
97
92
90

Low Clouds (% Sky Obscured)

0
5
56
0
16
59
49
37
29
24
36
63
53
45
26
7
23
19
20
0
3
8
32
24

Medium Clouds (% Sky Obscured)

1
25
76
22
42
51
39
75
75
32
16
23
34
80
100
67
74
52
67
57
69
48
62
64

High Clouds (% Sky Obscured)

31
95
100
100
100
100
100
25
20
67
100
100
100
100
100
100
31
11
4
5
86
90
10
17

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

Precipitation Probability (%)

0
3
37
43
18
71
95
56
43
30
16
4
6
5
7
5
2
1
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.6
2.1
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
6
3
5
5
1
2
2
2
3
4
5
7
9
10
13
14
14
14
12
10
7
5

Chance of Frost

Temperature (°C)

17
17
16
16
16
16
15
15
16
17
19
20
21
20
21
23
23
22
21
20
19
18
17
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
76
78
82
85
86
89
89
85
81
78
71
73
76
66
53
49
51
54
54
55
59
65
63

Pressure (mb)

1017
1016
1016
1016
1015
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015

Ozone (du)

340
338
339
338
336
340
343
346
355
357
350
348
345
346
345
345
345
347
349
352
355
358
357
363

Sunday 31

Full Moon 100%

No Rise

05:20

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

Sun - Rise: 05:24, Set: 21:50, Transit: 13:37. Moon - Rise: No Rise, Set: 05:20. Civil Dark: 22:37 - 04:37. Nautical Dark: 23:45 - 03:26. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

67
97
72
81
85
78
73
82
82
57
82
59
68
66
75
74
99
100
100
95
98
99
99
100

Low Clouds (% Sky Obscured)

0
0
11
32
25
45
22
70
67
0
36
28
40
42
59
53
46
32
37
48
44
51
50
51

Medium Clouds (% Sky Obscured)

49
72
41
52
59
53
45
46
54
28
50
35
40
26
17
25
23
76
38
44
95
98
99
99

High Clouds (% Sky Obscured)

13
8
19
0
0
0
0
0
3
30
5
3
1
5
10
36
97
100
100
27
51
65
85
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
1
20
69
98
12
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 (%)

1
14
3
3
1
1
0
0
4
6
17
21
23
3
0
0
1
0
0
0
0
0
1
2

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
4
4
4
3
4
3
3
4
5
6
8
9
10
11
10
10
11
10
9
8
6
5
4

Chance of Frost

Temperature (°C)

16
16
15
15
14
14
14
14
15
16
18
19
20
21
22
22
23
23
22
22
21
20
19
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
70
75
82
86
90
92
92
86
77
68
60
54
51
50
52
48
45
43
44
51
61
65
66

Pressure (mb)

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

Ozone (du)

366
363
359
357
355
354
353
351
350
348
347
346
346
345
342
341
339
339
338
338
338
338
336
336

Monday 1

Waning Gibbous 97%

23:42

06:11

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

Sun - Rise: 05:23, Set: 21:51, Transit: 13:37. Moon - Rise: 23:42, Set: 06:11. Civil Dark: 22:38 - 04:36. Nautical Dark: 23:47 - 03:25. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
99
98
97
95
94
96
98
100
100
100
100
100
100
93

Low Clouds (% Sky Obscured)

48
46
44
48
58
61
65
63
60
65
71
79
82
86
90
77
64
51
55
59
63
58
50
43

Medium Clouds (% Sky Obscured)

100
100
100
100
100
92
100
100
100
98
97
94
94
93
92
68
85
91
94
97
78
88
76
62

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
79
48
22
25
33
41
61
80
100
100
100
100
100
100
93

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

14
26
38
38
40
48
51
65
95
95
95
90
52
69
88
95
95
95
95
72
60
57
45
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.5
1.4
0.9
0.6
0
0.4
0.6
0.7
1.9
1.7
0.8
0.3
0.2
0.3
0
0

Wind Speed/Direction (mph)

3
3
4
4
5
5
6
6
6
8
9
10
10
10
10
10
13
10
5
8
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
68
73
75
78
78
83
87
92
95
98
98
96
93
92
89
90
93
93
92
88
82
83
87

Pressure (mb)

1011
1011
1010
1010
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

337
336
337
340
343
346
349
352
355
358
359
362
365
366
368
371
370
371
371
376
380
386
391
393

Tuesday 2

Waning Gibbous 93%

00:25

07:14

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

Sun - Rise: 05:22, Set: 21:52, Transit: 13:37. Moon - Rise: 00:25, Set: 07:14. Civil Dark: 22:39 - 04:35. Nautical Dark: 23:49 - 03:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

75
73
69
65
94
100
100
100
100
100
100
100
99
98
95
82
69
57
38
24
9
36
68
99

Low Clouds (% Sky Obscured)

36
28
23
31
55
64
67
73
78
72
66
60
73
84
91
79
67
57
38
24
8
3
4
4

Medium Clouds (% Sky Obscured)

63
62
64
63
61
61
60
54
49
49
45
39
35
31
27
20
11
8
34
24
9
36
65
48

High Clouds (% Sky Obscured)

75
73
69
65
94
100
100
100
100
100
100
95
68
37
5
4
2
0
0
1
1
34
67
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
Very Light Rain
None
None
None

Precipitation Probability (%)

19
16
1
1
1
0
3
4
18
11
28
39
51
49
52
72
60
33
39
49
57
54
48
40

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
90
95
96
92
86
86
87
89
81
73
70
78
70
59
61
62
64
73
83
95
93
92

Pressure (mb)

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

Ozone (du)

395
396
398
398
399
400
399
399
392
379
370
367
364
359
357
356
354
352
350
354
359
363
372
382

Wednesday 3

Waning Gibbous 88%

00:55

08:25

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

Sun - Rise: 05:22, Set: 21:53, Transit: 13:37. Moon - Rise: 00:55, Set: 08:25. Civil Dark: 22:40 - 04:34. Nautical Dark: 23:51 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
98
98
96
93
89
88
89
90
88
86
85
83
81
75
75
79
87
80
71
60
65
74
79

Low Clouds (% Sky Obscured)

29
55
80
83
81
76
74
70
67
67
65
62
64
62
58
52
47
41
27
16
5
13
23
32

Medium Clouds (% Sky Obscured)

35
32
33
43
44
46
40
35
29
45
55
66
53
36
21
29
37
45
47
48
50
54
56
61

High Clouds (% Sky Obscured)

99
98
98
96
93
89
64
38
18
21
23
21
20
20
19
20
13
3
0
0
0
6
11
18

ISS Passover

Visibility (miles)

9
9
8
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

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

Precipitation Probability (%)

31
26
21
39
51
60
34
33
63
47
32
23
21
17
9
7
4
0
3
3
0
1
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
89
89
90
89
89
87
86
86
75
67
60
54
50
45
45
45
45
50
54
59
63
69

Pressure (mb)

1006
1006
1006
1006
1006
1006
1005
1006
1006
1006
1007
1007
1008
1008
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010

Ozone (du)

391
392
393
393
390
387
384
383
382
381
381
382
383
381
380
378
377
377
376
375
375
374
371
367

Thursday 4

Waning Gibbous 81%

01:18

09:40

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
15 Bad
16 Bad
17 Bad
18 Bad
19 OK

Sun - Rise: 05:21, Set: 21:54, Transit: 13:38. Moon - Rise: 01:18, Set: 09:40. Civil Dark: 22:42 - 04:34. Nautical Dark: 23:53 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

87
95
100
100
100
100
95
89
83
81
80
78
85
93
100
98
94
94
75
56
35

Low Clouds (% Sky Obscured)

25
19
13
15
17
21
31
40
50
56
60
62
65
69
73
67
62
55
49
43
35

Medium Clouds (% Sky Obscured)

68
78
87
92
95
99
90
83
80
81
80
78
84
81
79
78
79
79
54
28
3

High Clouds (% Sky Obscured)

46
73
100
100
100
100
72
43
15
30
40
45
64
75
75
54
31
5
3
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

Fog (%)

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

Precipitation Probability (%)

0
1
1
32
48
61
49
40
27
34
30
23
26
34
42
54
62
69
67
53
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
12
12
12
12
12
13
13
14
15
15
16
16
16
16
18
20
22
22
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
77
79
80
80
80
79
76
75
74
74
73
73
73
75
77
66
59
52
56
61

Pressure (mb)

1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008

Ozone (du)

364
361
358
356
353
351
348
346
344
342
340
338
335
333
331
330
327
325
323
322
322

Forecast for Utrecht, Gemeente Utrecht, Netherlands (52.09,5.12)

Generated: 29/05/26 23:51:38. Forecast: 29/05/26 to 04/06/26. Timezone: UTC+2.00