Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 15

Waxing Crescent 10%

09:52

21:48

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:24, Set: 21:03, Transit: 13:43. Moon - Rise: 09:52, Set: 21:48. Civil Dark: 21:41 - 05:48. Nautical Dark: 22:30 - 04:59. Astro Dark: 23:29 - 04:01

Total Clouds (% Sky Obscured)

72
77
82
100
100
100
100
100
100
100
100
97
100
100
100
91
78
77
76
54
63
54
60
76

Low Clouds (% Sky Obscured)

16
0
0
0
3
0
14
18
18
13
15
15
14
15
19
12
14
18
28
39
35
29
49
57

Medium Clouds (% Sky Obscured)

72
65
62
93
91
98
77
70
75
67
19
25
71
48
75
59
78
77
72
27
34
22
9
9

High Clouds (% Sky Obscured)

72
77
82
100
100
100
100
100
100
100
100
91
100
100
100
33
30
25
22
0
9
8
3
38

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

75
95
95
45
39
49
37
3
15
7
14
43
54
50
19
12
15
31
18
33
14
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
20
20
21
21
22
23
24
24
25
24
24
22
21
20
19
19
18
17
19
17
16
16

Dew Point (°C)

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

Relative Humidity (%)

81
78
70
62
59
54
58
62
59
54
50
54
63
78
84
84
82
80
82
83
88
87
89
89

Pressure (mb)

1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

306
306
306
307
309
312
312
313
313
312
313
314
314
316
316
315
317
320
325
324
323
325
326
327

Sunday 16

Waxing Crescent 18%

11:11

21:59

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:25, Set: 21:01, Transit: 13:43. Moon - Rise: 11:11, Set: 21:59. Civil Dark: 21:39 - 05:49. Nautical Dark: 22:27 - 05:01. Astro Dark: 23:26 - 04:04

Total Clouds (% Sky Obscured)

90
78
99
83
99
100
100
100
99
100
100
100
90
97
92
75
90
100
99
100
100
100
100
92

Low Clouds (% Sky Obscured)

70
23
16
11
16
25
29
19
25
28
14
33
61
23
36
10
32
40
52
53
54
71
81
66

Medium Clouds (% Sky Obscured)

0
3
1
1
3
100
100
100
99
100
100
100
87
92
51
49
81
93
94
97
100
100
100
90

High Clouds (% Sky Obscured)

51
77
99
83
98
100
100
81
48
59
100
100
31
77
82
3
20
99
92
100
100
100
95
33

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
23
17
33
42

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
0.2

Wind Speed/Direction (mph)

5
5
6
6
6
6
5
5
5
6
7
9
10
10
7
6
6
5
4
3
3
4
4
3

Chance of Frost

Temperature (°C)

15
15
16
18
19
21
22
22
23
23
24
23
22
21
20
19
17
17
17
16
16
16
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
83
76
66
56
50
46
42
40
38
38
45
53
57
63
72
70
67
67
68
72
80
85

Pressure (mb)

1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1017
1017
1016
1016
1016
1016
1016
1016

Ozone (du)

327
325
323
323
321
321
321
321
320
320
319
318
319
323
326
326
325
327
329
334
335
336
337
337

Monday 17

Waxing Crescent 27%

12:30

22:12

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
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

Sun - Rise: 06:27, Set: 20:59, Transit: 13:43. Moon - Rise: 12:30, Set: 22:12. Civil Dark: 21:37 - 05:51. Nautical Dark: 22:25 - 05:04. Astro Dark: 23:22 - 04:07

Total Clouds (% Sky Obscured)

90
90
78
98
98
94
100
100
79
86
37
52
84
83
91
80
81
88
83
84
89
95
100
100

Low Clouds (% Sky Obscured)

66
74
75
72
66
55
57
70
75
63
37
49
62
47
7
1
1
0
0
30
52
71
81
86

Medium Clouds (% Sky Obscured)

85
81
25
21
33
50
37
30
31
37
7
12
34
36
57
80
81
88
80
84
89
95
100
100

High Clouds (% Sky Obscured)

2
30
7
85
90
80
100
92
25
27
12
25
14
30
68
26
1
4
51
22
7
8
9
48

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 (%)

20
3
3
4
7
15
6
6
1
2
0
0
0
0
0
0
0
0
0
0
1
2
2
19

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)

3
4
4
6
8
9
9
11
10
11
11
11
11
10
9
6
4
3
2
2
2
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
92
92
90
80
71
60
53
49
48
50
47
48
52
56
64
71
74
79
79
74
74
74
73

Pressure (mb)

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

Ozone (du)

338
337
339
340
339
337
331
327
325
322
320
318
315
313
311
308
307
307
305
305
305
304
301
302

Tuesday 18

Waxing Crescent 36%

13:48

22:28

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:29, Set: 20:57, Transit: 13:43. Moon - Rise: 13:48, Set: 22:28. Civil Dark: 21:34 - 05:53. Nautical Dark: 22:22 - 05:06. Astro Dark: 23:19 - 04:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
93
99
100
100
100

Low Clouds (% Sky Obscured)

88
88
93
93
95
91
88
85
85
83
76
78
75
72
78
74
72
43
50
53
67
74
70
69

Medium Clouds (% Sky Obscured)

69
83
99
99
99
86
99
100
79
74
99
47
40
39
41
38
86
88
87
71
92
99
99
97

High Clouds (% Sky Obscured)

61
100
100
99
100
100
100
100
98
95
92
92
93
93
96
98
100
98
79
77
74
75
76
81

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

31
43
74
94
95
91
88
72
68
63
53
58
55
48
41
35
36
59
69
87
85
82
62
62

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
6
7
7
7
8
10
8
10
10
11
12
11
10
8
6
5
5
6
6
6
6
6
7

Chance of Frost

Temperature (°C)

16
16
16
17
16
17
18
18
19
19
19
20
20
20
20
19
19
19
18
18
18
18
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
72
71
73
87
89
83
95
93
89
86
75
69
68
72
78
81
84
93
96
96
96
98
98

Pressure (mb)

1014
1013
1013
1013
1012
1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1008

Ozone (du)

303
303
302
303
305
308
306
307
308
309
309
308
306
305
305
304
303
302
302
300
299
300
301
302

Wednesday 19

Waxing Crescent 46%

15:04

22:48

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:30, Set: 20:55, Transit: 13:43. Moon - Rise: 15:04, Set: 22:48. Civil Dark: 21:32 - 05:55. Nautical Dark: 22:19 - 05:08. Astro Dark: 23:15 - 04:13

Total Clouds (% Sky Obscured)

100
100
99
99
98
99
100
100
100
100
99
90
72
87
84
84
83
70
57
44
50
56
57
58

Low Clouds (% Sky Obscured)

65
61
65
67
63
66
63
63
64
59
56
44
20
16
9
9
9
10
10
10
13
14
12
16

Medium Clouds (% Sky Obscured)

85
83
93
92
52
52
71
100
100
100
51
46
42
38
26
26
17
15
17
15
13
7
2
2

High Clouds (% Sky Obscured)

85
90
86
82
77
52
31
28
65
45
62
60
64
76
73
58
43
30
17
4
24
48
57
58

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

51
45
55
50
77
72
66
95
85
41
35
30
23
17
2
2
0
2
5
7
21
25
25
28

Precipitation Amount (mm)

0
0
0
0
0.4
0.4
0.3
1.9
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
9
9
11
12
8
8
8
6
6
6
6
6
5
8
7
6
6
7
8
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
96
96
95
95
92
93
93
93
80
69
62
68
73
79
87
87
89
89
90
92
95

Pressure (mb)

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

Ozone (du)

302
302
301
301
302
304
308
307
306
309
314
316
317
319
320
321
322
323
324
325
326
328
330
332

Thursday 20

First Quarter 56%

16:17

23:16

06 Bad
07 Bad
08 Bad
09 OK
10 OK
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

Sun - Rise: 06:32, Set: 20:53, Transit: 13:42. Moon - Rise: 16:17, Set: 23:16. Civil Dark: 21:30 - 05:57. Nautical Dark: 22:17 - 05:10. Astro Dark: 23:12 - 04:16

Total Clouds (% Sky Obscured)

53
53
45
36
30
48
68
85
85
87
89
84
81
76
69
63
62
63
65
63
71
74
80
73

Low Clouds (% Sky Obscured)

22
26
21
16
13
33
51
66
63
60
56
43
29
14
14
16
16
17
16
16
22
22
23
29

Medium Clouds (% Sky Obscured)

1
0
0
0
0
5
14
23
19
11
4
3
2
1
2
2
3
14
25
36
44
56
64
62

High Clouds (% Sky Obscured)

40
29
26
28
30
48
65
85
85
87
89
84
81
76
60
35
15
20
25
45
38
32
25
17

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
8
8
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 (%)

27
26
21
17
12
13
11
4
24
37
47
43
34
13
17
16
6
12
14
7
20
26
29
33

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
77
62
50
49
47
46
48
51
53
53
53
52
55
58
62
66
69
71
76
80
84

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1011
1010
1010
1010
1010
1011
1011
1011
1011
1012
1012
1011
1011
1012
1012
1012

Ozone (du)

333
335
336
339
342
345
346
347
348
349
349
350
347
344
342
342
341
341
341
340
340
339
339
338

Friday 21

Waxing Gibbous 66%

17:24

23:54

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
20 OK
21 OK
22 OK
23 OK
00 Bad
01 Bad

Sun - Rise: 06:34, Set: 20:51, Transit: 13:42. Moon - Rise: 17:24, Set: 23:54. Civil Dark: 21:27 - 05:58. Nautical Dark: 22:14 - 05:12. Astro Dark: 23:09 - 04:18

Total Clouds (% Sky Obscured)

65
58
61
69
75
72
68
62
63
65
68
57
46
35
33
32
33
43
54
62

Low Clouds (% Sky Obscured)

39
48
39
30
22
29
35
38
43
52
61
46
33
18
19
23
26
19
10
0

Medium Clouds (% Sky Obscured)

56
50
53
59
63
50
38
25
21
14
7
9
10
10
11
13
14
16
15
17

High Clouds (% Sky Obscured)

8
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
2
19
37
51

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

34
30
37
39
35
42
43
39
35
31
31
28
25
18
14
9
1
3
5
2

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
11
14
14
15
15
16
17
21
19
19
19
19
19
16
16
16
15
14

Dew Point (°C)

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

Relative Humidity (%)

83
83
80
70
62
54
48
42
38
40
42
42
47
50
54
60
66
73
74
77

Pressure (mb)

1012
1012
1013
1013
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1017
1017
1018
1018
1018
1018

Ozone (du)

338
337
336
337
337
338
339
340
341
340
340
339
338
336
334
333
331
330
329
328

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

Generated: 15/08/26 06:26:42. Forecast: 15/08/26 to 21/08/26. Timezone: UTC+2.00