Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 3

Waning Gibbous 93%

00:55

07:14

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
23 Bad
00 Bad

Sun - Rise: 05:22, Set: 21:52, Transit: 13:37. Moon - Rise: 00:55, Set: 07:14. Civil Dark: 22:39 - 04:35. Nautical Dark: 23:51 - 03:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

79
78
78
77
82
66
72
95
81
83
87
96
100
100
100
100
100
100
85
85
100
96
98
100

Low Clouds (% Sky Obscured)

58
59
62
64
72
57
59
65
71
72
69
62
59
57
37
87
53
100
77
76
47
61
52
53

Medium Clouds (% Sky Obscured)

25
11
16
21
21
11
33
60
39
39
35
12
43
100
100
92
98
100
83
63
10
48
46
52

High Clouds (% Sky Obscured)

1
0
0
10
3
3
2
0
0
0
0
73
86
75
98
96
100
59
13
8
91
74
87
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

1
0
0
46
65
43
55
69
46
36
37
23
19
16
23
37
76
95
64
25
18
34
14
12

Precipitation Amount (mm)

0
0
0
0
0.4
0
0
0.4
0
0
0
0
0
0
0
0
0.2
0.6
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
96
96
96
96
92
87
87
85
83
82
82
76
66
77
87
93
93
93
93
95
89

Pressure (mb)

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

Ozone (du)

408
408
407
408
408
409
407
401
394
385
378
373
368
365
362
358
356
354
358
361
366
372
378
381

Thursday 4

Waning Gibbous 88%

00:55

08:25

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
23 Bad
00 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: 23:53 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
99
100
86
97
97
86
99
100
92
100
100
100
100
95
61
83
86
96
99
100
61
88

Low Clouds (% Sky Obscured)

36
49
34
29
42
55
58
66
35
48
64
68
48
51
56
62
35
69
50
54
79
62
54
59

Medium Clouds (% Sky Obscured)

58
51
50
60
50
45
35
45
41
33
68
65
100
84
68
71
18
13
24
53
29
42
12
55

High Clouds (% Sky Obscured)

100
100
99
100
71
96
80
86
99
100
92
95
100
100
100
95
19
83
86
90
91
91
2
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
5
6
4
2
3
4
6
7
7
8
7
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Light Rain
Light Rain
None
Light Rain
Very Light Rain
None
Very Light Rain

Precipitation Probability (%)

4
2
1
4
23
47
56
95
95
95
79
95
95
95
78
73
47
69
92
68
79
72
43
51

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.7
2
1.1
0.4
0.9
0.6
1
0.4
0.3
0
0.4
0.8
0.2
0.4
0.3
0
0.2

Wind Speed/Direction (mph)

13
14
13
11
11
11
12
12
16
16
16
18
17
18
18
18
19
19
17
15
15
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
92
92
92
93
90
87
87
87
84
82
81
89
85
82
76
75
72
71
78
86
86
87
87

Pressure (mb)

1001
1001
1000
1000
1000
1000
999
999
999
999
998
998
998
998
998
999
999
1000
1000
1000
1001
1001
1002
1002

Ozone (du)

385
387
391
393
398
397
397
394
391
393
395
395
402
411
412
411
408
409
408
400
400
401
401
402

Friday 5

Waning Gibbous 81%

01:18

09:40

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 OK
19 OK
20 OK
21 Good
22 OK
23 Bad
00 Bad

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: 23:55 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

93
99
75
75
64
86
84
73
69
79
91
80
82
74
78
65
59
34
29
19
12
23
57
77

Low Clouds (% Sky Obscured)

63
60
59
61
64
77
66
63
69
62
52
48
60
58
57
50
52
34
29
19
12
0
0
0

Medium Clouds (% Sky Obscured)

62
74
39
36
1
34
40
37
1
30
81
73
69
67
64
46
9
3
2
2
0
0
1
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
2
23
57
77

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

56
54
36
11
8
24
36
52
52
49
50
51
51
42
33
21
6
1
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
14
14
13
13
12
12
12
13
14
13
13
13
13
13
13
13
12
10
7
5
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
90
92
92
90
87
84
84
85
86
86
81
81
78
66
56
52
56
61
69
74
76
75

Pressure (mb)

1003
1003
1004
1004
1005
1006
1006
1007
1008
1009
1010
1010
1011
1011
1012
1012
1012
1013
1013
1014
1014
1015
1015
1015

Ozone (du)

402
402
404
404
402
400
398
397
397
398
393
388
384
383
379
376
375
381
371
365
363
362
362
361

Saturday 6

Waning Gibbous 72%

01:35

10:56

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
23 Bad
00 Bad

Sun - Rise: 05:21, Set: 21:55, Transit: 13:38. Moon - Rise: 01:35, Set: 10:56. Civil Dark: 22:43 - 04:33. Nautical Dark: 23:57 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
88
75
59
71
82
95
96
98
99
100
99
94
100
100
100
100
99
88
93
74
80
75
69

Low Clouds (% Sky Obscured)

0
0
4
15
21
20
13
22
21
20
27
33
40
41
41
42
28
14
0
0
1
0
15
20

Medium Clouds (% Sky Obscured)

2
7
66
59
71
82
89
89
83
75
63
68
70
97
100
100
99
64
61
75
45
71
70
69

High Clouds (% Sky Obscured)

100
88
75
59
61
66
73
53
81
95
100
99
94
100
100
100
100
99
88
81
61
43
28
14

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
7
9
8
5
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
Very Light Rain
None
None
Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
3
10
4
16
3
0
0
1
2
33
46
61
28
19
71
53
13
3
16
45

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
4
4
5
5
5
6
9
6
7
10
9
13
12
12
9
11
8
9
10
8
7
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
8
8
8
9
10
10
12
13
15
15
16
17
16
16
14
15
16
16
14
13
10
9

Dew Point (°C)

7
6
6
6
6
8
9
9
11
12
11
12
10
10
14
16
15
15
15
15
14
13
10
9

Relative Humidity (%)

76
73
76
78
77
80
80
76
84
80
62
70
55
50
69
86
88
85
80
86
87
89
79
70

Pressure (mb)

1015
1015
1015
1015
1014
1014
1014
1015
1015
1014
1014
1014
1014
1013
1013
1014
1014
1014
1014
1014
1014
1015
1015
1015

Ozone (du)

361
359
359
363
362
364
367
370
372
372
370
368
368
372
379
382
382
394
393
386
388
388
393
392

Sunday 7

Waning Gibbous 63%

01:48

12:12

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
23 Bad
00 Bad

Sun - Rise: 05:20, Set: 21:56, Transit: 13:38. Moon - Rise: 01:48, Set: 12:12. Civil Dark: 22:44 - 04:32. Nautical Dark: 23:59 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

65
77
85
97
83
65
50
54
60
68
74
81
87
71
59
44
58
79
100
100
99
99
97
96

Low Clouds (% Sky Obscured)

20
20
20
10
5
5
5
21
37
52
42
24
14
16
19
18
14
7
0
14
28
42
35
28

Medium Clouds (% Sky Obscured)

56
37
43
51
46
37
28
28
25
21
28
38
41
29
15
6
13
19
26
52
76
99
97
93

High Clouds (% Sky Obscured)

0
26
52
78
53
27
1
1
0
2
0
0
0
5
9
14
42
71
100
68
37
5
24
43

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 (%)

26
8
5
3
5
2
0
0
0
0
0
0
0
0
0
0
0
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)

12
13
12
13
13
11
10
10
11
11
13
13
13
13
12
12
11
10
8
7
6
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
74
72
72
74
79
76
74
73
63
55
50
51
53
55
56
59
64
68
71
74
77
79

Pressure (mb)

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

Ozone (du)

387
388
386
385
384
381
380
379
377
375
372
369
367
366
363
360
358
358
358
358
358
357
357
357

Monday 8

Third Quarter 52%

02:00

13:29

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
23 Bad
00 Bad

Sun - Rise: 05:20, Set: 21:57, Transit: 13:38. Moon - Rise: 02:00, Set: 13:29. Civil Dark: 22:45 - 04:32. Nautical Dark: 00:00 - 03:16. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
92
90
89
93
96
100
100
100
100
97
94
88
89
93
98
98
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

21
25
32
39
41
44
46
51
53
55
56
51
46
50
58
69
64
56
49
46
46
44
50
56

Medium Clouds (% Sky Obscured)

88
81
75
70
76
82
87
93
95
99
88
73
61
62
63
65
58
50
42
57
67
79
86
94

High Clouds (% Sky Obscured)

62
59
57
56
71
86
100
97
93
90
65
40
15
28
37
48
51
55
60
73
87
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
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

3
1
0
0
1
1
3
28
39
47
36
42
73
57
38
17
24
27
28
29
34
38
59
65

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.3
0
0
0
0
0
0
0
0
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
83
82
82
78
75
73
67
61
57
53
50
47
56
65
76
75
74
72
73
75
78
74

Pressure (mb)

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

Ozone (du)

356
356
351
347
342
340
337
334
334
334
334
336
339
342
345
349
353
355
357
359
362
366
369
373

Tuesday 9

Waning Crescent 41%

02:11

14:48

Sun - Rise: 05:19, Set: 21:58, Transit: 13:38. Moon - Rise: 02:11, Set: 14:48. Civil Dark: 22:46 - 04:31. Nautical Dark: 00:02 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 03/06/26 01:18:54. Forecast: 03/06/26 to 09/06/26. Timezone: UTC+2.00