Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 14

Waxing Crescent 4%

No Rise

21:37

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

Sun - Rise: 06:24, Set: 21:05, Transit: 13:44. Moon - Rise: No Rise, Set: 21:37. Civil Dark: 21:43 - 05:46. Nautical Dark: 22:33 - 04:57. Astro Dark: 23:33 - 03:57

Total Clouds (% Sky Obscured)

27
31
35
20
2
1
17
5
8
5
4
5
3
5
18
41
55
26
7
67
73
67
63
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
11
0
2
0
0
0
0
2
9
32
55
19
2
57
73
66
57
86

High Clouds (% Sky Obscured)

27
31
20
8
2
1
3
3
4
2
3
3
2
3
3
16
25
2
3
23
35
35
36
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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
0
7
0
0
0
0
0
0
0
0
0
0
0
1
7
5
1
0
1
2
7
21
27

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)

2
3
3
3
5
6
7
9
10
10
9
8
6
6
6
6
6
5
5
5
6
5
6
8

Chance of Frost

Temperature (°C)

24
28
31
33
35
36
37
37
36
35
33
30
27
24
22
21
20
20
19
19
19
18
18
20

Feels Like (°C)

24
27
30
32
34
35
36
35
35
34
32
30
26
24
23
22
20
20
20
21
19
18
18
19

Dew Point (°C)

3
4
4
5
6
7
8
8
8
8
8
9
10
10
10
11
13
14
14
14
15
15
15
16

Relative Humidity (%)

25
21
18
16
16
16
16
17
17
18
20
25
34
39
44
52
64
69
75
76
77
81
82
78

Pressure (mb)

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

Ozone (du)

304
306
307
306
306
306
306
306
306
306
305
304
303
302
301
301
302
306
307
307
307
307
307
306

Saturday 15

Waxing Crescent 10%

09:52

21:48

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

Sun - Rise: 06:25, 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)

100
98
100
100
100
100
96
76
35
54
41
37
34
56
77
84
62
52
86
82
86
83
90
74

Low Clouds (% Sky Obscured)

0
0
0
3
4
23
14
31
4
36
25
21
14
19
51
60
44
30
47
41
71
83
90
74

Medium Clouds (% Sky Obscured)

100
97
100
59
22
68
70
61
22
15
8
9
19
30
29
37
36
35
12
0
0
0
55
55

High Clouds (% Sky Obscured)

100
96
100
100
100
100
64
4
6
1
0
0
0
0
29
24
2
4
50
50
39
38
56
34

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

32
42
48
31
18
39
38
11
3
1
0
0
0
1
5
5
7
4
1
2
1
2
4
5

Precipitation Amount (mm)

0
0
0.2
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)

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

Chance of Frost

Temperature (°C)

21
22
24
23
24
26
26
27
27
27
25
24
22
20
19
19
18
18
18
17
17
17
17
18

Feels Like (°C)

21
22
23
23
24
26
26
26
27
27
25
24
22
21
20
19
19
20
20
17
17
17
18
18

Dew Point (°C)

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

Relative Humidity (%)

69
62
64
67
59
48
41
38
38
42
50
60
73
82
86
88
90
92
90
89
89
85
81
76

Pressure (mb)

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

Ozone (du)

305
307
307
309
311
313
320
328
325
322
321
320
319
318
318
318
318
320
319
318
320
322
323
323

Sunday 16

Waxing Crescent 18%

11:11

21:59

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
07 Bad
08 Bad

Sun - Rise: 06:27, 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)

100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
90
86
91
95
100
100

Low Clouds (% Sky Obscured)

79
75
60
35
31
46
70
62
22
5
1
25
68
59
50
48
61
70
83
86
91
95
100
96

Medium Clouds (% Sky Obscured)

53
5
5
3
53
98
98
70
100
85
98
98
100
99
98
74
63
93
90
85
88
91
93
94

High Clouds (% Sky Obscured)

100
95
100
100
100
100
100
100
100
100
100
100
100
91
100
100
100
73
43
15
43
71
96
87

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
9
6
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
Very Light Rain
None
None
None
None

Precipitation Probability (%)

14
18
3
1
1
3
0
0
1
0
0
2
10
5
18
17
36
39
57
64
53
43
40
26

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
70
67
54
45
39
37
42
45
44
47
54
60
73
77
77
76
73
73
75
86
90
95
95

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

323
323
320
318
317
316
316
315
316
317
318
320
324
330
328
331
331
330
331
330
333
334
335
336

Monday 17

Waxing Crescent 27%

12:30

22:12

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
07 Bad
08 Bad

Sun - Rise: 06:29, 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)

100
100
98
93
94
92
71
67
75
64
63
62
79
81
85
84
95
97
98
100
100
100
99
99

Low Clouds (% Sky Obscured)

91
86
85
83
87
87
64
60
60
36
23
27
26
27
19
12
3
18
30
44
37
45
65
69

Medium Clouds (% Sky Obscured)

56
43
33
25
20
22
22
24
23
22
21
20
20
22
23
36
44
50
65
57
93
89
94
95

High Clouds (% Sky Obscured)

86
80
53
25
0
0
0
0
0
0
1
3
22
24
24
18
24
49
72
98
95
92
89
73

ISS Passover

Visibility (miles)

9
9
9
8
7
7
9
9
7
8
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 (%)

13
7
19
26
27
25
12
22
17
11
1
0
0
0
0
0
0
5
9
12
19
23
27
37

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
90
85
77
64
65
66
55
54
57
51
56
70
75
79
80
83
82
83
85
87
89
82
78

Pressure (mb)

1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016

Ozone (du)

340
342
344
344
344
344
342
337
332
329
326
324
323
320
317
314
313
313
311
309
308
307
308
307

Tuesday 18

Waxing Crescent 36%

13:48

22:28

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
07 Bad
08 Bad

Sun - Rise: 06:30, 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)

99
99
99
99
98
99
99
100
100
100
97
84
84
85
83
80
78
73
68
61
68
75
84
79

Low Clouds (% Sky Obscured)

73
73
79
82
86
91
95
100
89
76
62
44
55
66
69
70
75
69
61
51
49
46
45
51

Medium Clouds (% Sky Obscured)

97
98
59
61
52
54
64
94
87
83
91
71
74
80
74
66
59
41
26
10
11
12
12
8

High Clouds (% Sky Obscured)

53
30
33
46
40
50
49
49
46
39
5
3
2
1
0
0
0
0
0
0
7
22
39
30

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
8
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

38
35
48
55
61
54
46
25
40
49
56
1
2
2
16
22
22
18
12
3
27
39
51
46

Precipitation Amount (mm)

0
0
0
0.2
0.3
0.2
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
10
11
12
13
12
11
12
11
9
6
6
4
4
4
5
6
8
9
10
11
12
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
67
65
64
62
66
74
69
61
57
57
62
65
69
73
77
81
85
85
88
88
90
92
95

Pressure (mb)

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

Ozone (du)

307
305
305
304
304
304
303
303
302
300
299
299
298
298
297
298
299
300
300
299
299
302
304
307

Wednesday 19

Waxing Crescent 46%

15:04

22:48

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
07 Bad
08 Bad

Sun - Rise: 06:32, 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)

73
66
57
50
46
60
70
74
68
60
55
57
62
66
65
64
60
72
78
87
91
94
98
99

Low Clouds (% Sky Obscured)

59
65
50
38
25
22
18
18
13
11
9
6
4
0
0
0
0
3
5
6
4
3
2
3

Medium Clouds (% Sky Obscured)

4
0
5
13
22
17
9
0
0
0
0
3
6
12
10
8
7
10
10
13
10
11
12
18

High Clouds (% Sky Obscured)

18
6
6
6
3
2
4
5
2
9
11
14
12
15
20
25
45
45
46
46
63
79
98
98

ISS Passover

Visibility (miles)

8
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 (%)

39
22
15
8
0
1
1
0
0
0
0
0
0
0
0
0
0
2
2
1
7
8
5
22

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)

13
13
14
14
15
15
14
13
12
10
8
6
5
3
2
3
3
4
5
5
6
6
6
7

Chance of Frost

Temperature (°C)

19
20
21
21
22
23
22
22
22
21
21
20
18
17
15
15
14
14
14
13
13
14
14
14

Feels Like (°C)

17
18
18
19
18
18
21
21
19
20
20
19
17
17
17
17
15
15
13
12
12
12
12
11

Dew Point (°C)

16
14
12
12
10
10
10
9
9
9
10
10
10
10
10
10
9
9
9
9
9
9
9
9

Relative Humidity (%)

80
69
59
53
47
43
44
43
44
46
50
52
58
63
69
70
70
73
74
74
76
74
73
71

Pressure (mb)

1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1013
1013
1013
1013
1013
1012
1012
1012
1012

Ozone (du)

308
310
311
311
312
312
312
313
313
314
314
315
315
315
315
315
315
314
314
314
313
314
315
315

Thursday 20

First Quarter 56%

16:17

23:16

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 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:34, 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)

100
100
100
100
100
83
63
40
40
40
40
40
41
46
46
51
51

Low Clouds (% Sky Obscured)

5
7
12
16
17
9
8
7
7
10
10
14
24
37
43
47
47

Medium Clouds (% Sky Obscured)

20
31
39
50
57
53
47
40
40
40
35
35
35
35
35
30
30

High Clouds (% Sky Obscured)

99
100
100
100
100
83
63
40
40
40
40
35
25
25
20
20
25

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

25
16
28
26
15
53
60
16
21
18
9
10
7
4
18
23
18

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
54
46
41
38
34
33
32
31
35
39
44
52
63
77
79
83

Pressure (mb)

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

Ozone (du)

317
318
319
321
323
325
328
332
335
337
339
341
340
339
339
336
332

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

Generated: 14/08/26 09:33:07. Forecast: 14/08/26 to 20/08/26. Timezone: UTC+2.00