Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 15

Waxing Crescent 10%

09:52

21:48

00 OK
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

Sun - Rise: 06:24, Set: 21:03, Transit: 13:43. Moon - Rise: 09:52, Set: 21:48. Civil Dark: 21:41 - 05:46. Nautical Dark: 22:30 - 04:57. Astro Dark: 23:29 - 03:57

Total Clouds (% Sky Obscured)

16
21
24
57
67
88
100
100
100
100
100
100
100
100
100
96
97
80
73
93
96
87
86
75

Low Clouds (% Sky Obscured)

0
0
0
0
5
14
13
0
0
0
1
1
15
16
18
30
40
29
29
29
28
28
27
24

Medium Clouds (% Sky Obscured)

16
21
24
57
66
81
87
84
89
100
87
100
100
76
71
76
79
69
73
91
79
64
70
38

High Clouds (% Sky Obscured)

3
14
24
55
45
36
100
100
100
100
100
100
100
100
100
45
33
28
27
36
83
35
30
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
90
95
6
2
25
24
31
28
47
39
31
25
49
34
28
30
27
5
2
2
3
1
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
19
19
19
19
19
19
20
21
22
22
23
24
25
26
26
26
25
24
23
21
20
20

Feels Like (°C)

21
20
20
19
18
18
18
18
19
20
21
22
22
24
25
25
25
25
24
22
22
19
19
18

Dew Point (°C)

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

Relative Humidity (%)

54
62
70
71
75
73
75
76
71
63
60
60
56
53
62
54
61
61
62
67
67
68
68
68

Pressure (mb)

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

Ozone (du)

305
305
306
305
305
307
306
307
307
307
310
311
312
313
313
313
314
315
317
317
318
319
321
323

Sunday 16

Waxing Crescent 18%

11:11

21:59

00 OK
01 Bad
02 OK
03 OK
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

Sun - Rise: 06:25, Set: 21:01, Transit: 13:43. Moon - Rise: 11:11, Set: 21:59. Civil Dark: 21:39 - 05:48. Nautical Dark: 22:27 - 04:59. Astro Dark: 23:26 - 04:01

Total Clouds (% Sky Obscured)

48
93
43
37
65
81
71
65
71
100
100
97
100
100
100
100
100
100
100
100
59
55
88
77

Low Clouds (% Sky Obscured)

23
20
26
23
62
78
71
59
16
19
25
18
22
30
32
20
11
2
42
36
4
18
50
9

Medium Clouds (% Sky Obscured)

28
30
20
20
1
0
0
0
0
0
32
79
40
94
100
100
100
100
89
86
54
39
79
60

High Clouds (% Sky Obscured)

0
40
10
0
2
33
35
46
47
100
100
89
100
100
100
100
100
100
100
81
2
3
27
36

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
73
77
81
83
80
75
73
71
65
58
52
50
43
42
40
40
38
40
46
50
62
68
67

Pressure (mb)

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

Ozone (du)

322
322
322
320
319
320
320
320
320
319
319
319
319
318
319
317
316
317
320
324
328
328
329
330

Monday 17

Waxing Crescent 27%

12:30

22:12

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
23 Bad

Sun - Rise: 06:27, Set: 20:59, Transit: 13:43. Moon - Rise: 12:30, Set: 22:12. Civil Dark: 21:37 - 05:49. Nautical Dark: 22:25 - 05:01. Astro Dark: 23:22 - 04:04

Total Clouds (% Sky Obscured)

97
100
99
100
100
100
95
94
82
82
90
99
100
99
99
99
95
97
99
94
97
91
97
97

Low Clouds (% Sky Obscured)

55
55
48
80
78
82
71
75
55
41
77
96
99
78
89
82
70
60
37
27
22
18
17
67

Medium Clouds (% Sky Obscured)

90
100
98
99
100
94
89
43
43
66
38
29
30
50
54
39
44
51
53
52
95
79
94
96

High Clouds (% Sky Obscured)

85
100
91
100
94
89
1
0
0
13
12
81
86
96
81
87
39
29
81
48
29
18
13
5

ISS Passover

Visibility (miles)

9
9
9
9
5
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
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
4
6
40
75
63
33
9
5
3
13
12
2
1
1
0
0
0
0
0
12
18
24
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
3
2
3
5
4
3
3
3
5
7
8
8
8
9
9
10
11
10
9
7
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
68
68
69
75
90
90
90
89
82
72
59
54
48
43
43
43
46
50
54
59
69
76
74

Pressure (mb)

1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015

Ozone (du)

332
333
335
337
336
338
339
337
332
332
327
325
321
319
316
313
311
309
306
305
303
302
300
301

Tuesday 18

Waxing Crescent 36%

13:48

22:28

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
23 Bad

Sun - Rise: 06:29, Set: 20:57, Transit: 13:43. Moon - Rise: 13:48, Set: 22:28. Civil Dark: 21:34 - 05:51. Nautical Dark: 22:22 - 05:04. Astro Dark: 23:19 - 04:07

Total Clouds (% Sky Obscured)

98
99
99
100
100
100
100
100
100
100
100
99
100
100
98
96
94
96
98
99
100
100
100
91

Low Clouds (% Sky Obscured)

63
55
73
85
100
100
100
100
93
85
78
66
72
64
70
71
73
71
70
34
29
25
24
28

Medium Clouds (% Sky Obscured)

98
99
99
94
100
100
100
100
98
96
69
81
67
29
29
29
58
39
55
37
78
65
69
78

High Clouds (% Sky Obscured)

13
17
36
62
81
76
65
55
74
93
100
85
100
100
86
66
36
67
80
94
96
98
100
90

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 (%)

18
10
16
22
26
35
40
43
43
33
25
26
27
21
18
13
3
5
8
3
6
7
7
20

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)

4
4
4
5
6
7
6
6
6
6
8
12
14
13
15
15
15
14
12
9
7
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
72
74
74
72
72
71
71
67
69
70
73
62
60
55
58
58
55
58
64
65
74
80
85

Pressure (mb)

1015
1015
1014
1013
1013
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

299
299
298
297
296
297
300
301
302
303
304
306
306
307
307
306
306
305
303
303
302
302
301
299

Wednesday 19

Waxing Crescent 46%

15:04

22:48

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
23 Bad

Sun - Rise: 06:30, Set: 20:55, Transit: 13:43. Moon - Rise: 15:04, Set: 22:48. Civil Dark: 21:32 - 05:53. Nautical Dark: 22:19 - 05:06. Astro Dark: 23:15 - 04:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
94
90
84
84
85
85
83
58
64
68
73
78
82
88
92
92
88
76
67

Low Clouds (% Sky Obscured)

34
39
40
76
74
73
68
65
71
71
74
76
55
61
65
68
72
61
52
43
35
23
7
5

Medium Clouds (% Sky Obscured)

99
100
98
95
93
69
77
71
38
72
71
51
7
0
4
7
11
25
26
30
26
26
18
12

High Clouds (% Sky Obscured)

88
87
93
89
90
55
26
4
2
8
40
12
1
1
7
14
22
33
47
65
55
47
36
25

ISS Passover

Visibility (miles)

9
9
9
8
8
9
9
8
9
9
2
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
Very Light Rain
Very Light Rain
None
None
None
None
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

28
29
48
62
58
46
39
52
63
95
91
21
19
10
16
15
12
12
9
3
4
4
0
2

Precipitation Amount (mm)

0
0
0
0.3
0.2
0
0
0
0
0.7
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
4
4
5
7
8
9
10
12
16
12
12
15
16
16
16
16
14
12
10
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
19
18
18
18
18
18
17
17
17
13
16
17
18
19
19
19
18
18
18
18
17
17
18

Dew Point (°C)

16
16
16
17
17
17
17
17
16
17
16
16
17
13
12
11
11
10
10
11
11
11
10
10

Relative Humidity (%)

88
89
89
92
96
95
93
92
89
88
93
93
92
63
52
51
51
50
51
52
54
58
63
68

Pressure (mb)

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

Ozone (du)

298
298
296
298
299
299
300
300
301
303
298
311
315
319
320
321
321
322
321
321
321
322
322
323

Thursday 20

First Quarter 56%

16:17

23:16

00 Bad
01 OK
02 Bad
03 Bad
04 Bad
05 OK
06 OK
07 OK
08 OK
09 OK
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 OK
23 Bad

Sun - Rise: 06:32, Set: 20:53, Transit: 13:42. Moon - Rise: 16:17, Set: 23:16. Civil Dark: 21:30 - 05:55. Nautical Dark: 22:17 - 05:08. Astro Dark: 23:12 - 04:13

Total Clouds (% Sky Obscured)

56
44
51
57
51
44
30
30
25
40
51
67
83
90
96
98
100
98
94
88
68
49
30
29

Low Clouds (% Sky Obscured)

3
1
6
11
12
6
4
4
7
10
15
29
43
56
66
74
77
71
57
45
35
25
12
16

Medium Clouds (% Sky Obscured)

7
9
6
4
1
1
1
0
0
0
0
13
27
38
27
14
0
0
0
0
0
1
1
1

High Clouds (% Sky Obscured)

15
4
28
51
51
44
30
30
25
40
51
67
83
90
96
94
95
91
88
81
52
26
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
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 (%)

5
7
15
14
3
4
3
0
1
1
1
3
4
4
8
9
5
11
14
16
18
18
13
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)

8
9
9
8
7
6
6
6
5
8
11
14
14
14
14
14
14
13
12
11
10
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
78
83
80
79
76
71
68
65
57
48
42
43
45
47
48
50
51
53
55
56
65
75
89

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013

Ozone (du)

326
328
331
330
329
328
329
330
332
333
335
337
337
337
336
337
339
340
343
345
348
349
350
351

Friday 21

Waxing Gibbous 66%

17:24

23:54

Sun - Rise: 06:34, Set: 20:51, Transit: 13:42. Moon - Rise: 17:24, Set: 23:54. Civil Dark: 21:27 - 05:57. Nautical Dark: 22:14 - 05:10. Astro Dark: 23:09 - 04:16

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: 15/08/26 00:32:23. Forecast: 15/08/26 to 21/08/26. Timezone: UTC+2.00