Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Crescent 53%

14:50

23:53

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

Sun - Rise: 05:45, Set: 21:47, Transit: 13:45. Moon - Rise: 14:50, Set: 23:53. Civil Dark: 22:31 - 05:01. Nautical Dark: 23:35 - 03:58. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

51
43
35
31
20
39
50
46
52
54
64
76
62
52
51
76
67
33
55
38
35
30
9
3

Low Clouds (% Sky Obscured)

14
12
0
22
20
39
50
46
52
54
64
75
58
51
41
45
55
30
38
34
35
29
9
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
26
41
17
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
27
65
41
4
5
3
0
0
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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
68
74
80
84
87
89
90
92
92
87
75
64
57
47
38
35
32
32
35
39
43
48
54

Pressure (mb)

1024
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

349
348
351
355
357
358
359
359
360
354
351
349
346
343
342
342
341
342
342
342
344
345
345
343

Tuesday 21

First Quarter 63%

16:06

00:07

21 OK
22 OK
23 OK
00 Bad
01 OK
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

Sun - Rise: 05:47, Set: 21:46, Transit: 13:46. Moon - Rise: 16:06, Set: 00:07. Civil Dark: 22:30 - 05:03. Nautical Dark: 23:33 - 04:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

20
21
35
49
47
65
84
90
94
100
95
97
100
100
100
100
100
100
98
81
70
88
82
78

Low Clouds (% Sky Obscured)

20
21
35
49
47
65
84
83
90
100
60
89
85
100
100
100
74
71
72
68
70
67
65
70

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
1
0
0
8
33
50
55
71
100
79
22
24
26
0
39
25
21

High Clouds (% Sky Obscured)

0
0
0
0
0
0
27
66
49
94
93
90
100
99
100
88
100
100
60
7
5
5
4
5

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
1
8
8
7
3
2
3
3
8
20
25
25
28
25
21
8
18
16
5
3

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)

10
8
6
6
5
4
5
6
8
8
8
8
10
10
12
13
12
13
15
16
16
14
15
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
71
78
83
87
89
87
74
69
65
68
71
65
68
66
64
58
62
53
57
54
59
54
58

Pressure (mb)

1025
1026
1026
1026
1026
1025
1025
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022

Ozone (du)

342
341
340
340
340
341
340
341
338
338
339
337
337
338
337
338
340
342
345
347
348
351
353
353

Wednesday 22

Waxing Gibbous 72%

17:20

00:23

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

Sun - Rise: 05:48, Set: 21:45, Transit: 13:46. Moon - Rise: 17:20, Set: 00:23. Civil Dark: 22:28 - 05:05. Nautical Dark: 23:30 - 04:03. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

89
66
67
83
79
77
76
75
75
100
100
100
100
65
83
37
87
87
70
88
81
76
22
22

Low Clouds (% Sky Obscured)

78
57
60
74
66
62
59
49
61
48
56
27
60
54
79
32
60
53
48
44
38
33
22
22

Medium Clouds (% Sky Obscured)

14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0

High Clouds (% Sky Obscured)

0
0
0
5
34
63
4
8
34
100
100
100
100
57
28
13
65
70
48
87
81
74
4
4

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 (%)

4
17
6
6
6
7
5
9
14
5
2
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
10
9
9
10
10
10
10
10
9
9
10
10
9
8
8
9
10
9
9
10

Relative Humidity (%)

65
69
74
75
69
66
65
73
75
75
74
69
62
59
58
52
47
41
39
43
47
48
49
54

Pressure (mb)

1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

354
355
355
356
356
356
355
354
350
347
343
340
337
334
333
331
330
328
326
325
323
321
320
319

Thursday 23

Waxing Gibbous 72%

18:31

00:46

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

Sun - Rise: 05:49, Set: 21:43, Transit: 13:46. Moon - Rise: 18:31, Set: 00:46. Civil Dark: 22:27 - 05:06. Nautical Dark: 23:28 - 04:05. Astro Dark: N/A - 02:10

Total Clouds (% Sky Obscured)

23
25
32
36
43
48
47
44
43
32
39
37
72
87
100
100
100
100
100
100
100
58
100
100

Low Clouds (% Sky Obscured)

23
25
32
36
43
48
47
44
43
32
39
37
52
47
47
51
51
59
50
43
36
32
25
16

Medium Clouds (% Sky Obscured)

0
2
2
0
0
2
2
2
2
0
0
6
13
19
27
33
39
36
32
28
24
20
17
22

High Clouds (% Sky Obscured)

3
2
1
2
2
2
3
3
12
4
8
20
62
86
99
99
100
100
100
100
100
53
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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
1
0
1
1
1
9
13
15
11
6
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
78
86
87
90
90
90
92
92
92
89
80
70
60
52
47
42
39
36
34
33
33
33
37

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1018
1018
1017
1016
1016
1015
1014
1014
1013
1013

Ozone (du)

318
317
317
316
316
316
317
317
318
319
320
321
322
323
324
325
327
328
328
329
330
330
331
332

Friday 24

Waxing Gibbous 80%

19:33

01:17

21 Bad
22 Bad
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

Sun - Rise: 05:51, Set: 21:42, Transit: 13:46. Moon - Rise: 19:33, Set: 01:17. Civil Dark: 22:25 - 05:08. Nautical Dark: 23:26 - 04:08. Astro Dark: 01:21 - 02:21

Total Clouds (% Sky Obscured)

84
57
80
70
50
55
61
64
61
57
66
69
74
80
78
75
78
83
87
92
94
97
100
97

Low Clouds (% Sky Obscured)

8
0
0
0
0
9
18
27
26
24
23
22
20
20
19
16
8
11
15
18
13
9
4
11

Medium Clouds (% Sky Obscured)

26
30
31
37
45
48
53
55
56
57
62
60
59
63
61
59
58
49
35
20
39
60
75
73

High Clouds (% Sky Obscured)

81
43
66
47
8
18
25
35
28
27
34
42
35
33
30
28
26
47
67
87
92
96
100
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 (%)

0
0
0
0
0
0
0
0
0
0
0
3
4
3
5
5
2
1
1
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)

6
4
3
3
2
1
3
5
5
5
6
7
7
8
10
10
11
13
13
13
13
12
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
61
70
71
74
75
74
72
72
72
66
53
45
39
35
34
34
34
37
39
43
44
46
49

Pressure (mb)

1013
1013
1012
1012
1012
1011
1011
1010
1010
1009
1009
1008
1008
1008
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

332
333
332
333
335
336
336
335
334
333
333
334
334
335
335
335
335
335
337
339
341
342
344
345

Saturday 25

Waxing Gibbous 88%

20:23

02:00

21 Bad
22 Bad
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

Sun - Rise: 05:52, Set: 21:40, Transit: 13:46. Moon - Rise: 20:23, Set: 02:00. Civil Dark: 22:23 - 05:10. Nautical Dark: 23:23 - 04:10. Astro Dark: 01:10 - 02:29

Total Clouds (% Sky Obscured)

95
92
91
91
91
93
96
100
98
96
95
95
95
96
97
97
98
98
99
100
97
95
92
87

Low Clouds (% Sky Obscured)

18
20
23
25
25
40
42
53
52
53
55
54
52
51
58
63
69
74
86
100
78
56
34
28

Medium Clouds (% Sky Obscured)

73
74
76
79
82
81
82
81
71
60
45
52
63
73
80
87
94
86
77
66
63
52
45
55

High Clouds (% Sky Obscured)

80
65
65
59
50
44
36
31
36
45
45
41
36
35
31
23
19
20
20
21
19
20
16
24

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
4
6
5
11
11
8
22
29
33
45
51
58
52
45
37
27
18
4
13
12
8
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
57
63
65
68
71
72
73
75
76
77
77
79
80
81
68
56
47
45
44
43
44
45
47

Pressure (mb)

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

Ozone (du)

346
346
347
347
347
347
346
346
345
348
351
354
355
357
358
360
361
362
363
363
363
363
363
363

Sunday 26

Waxing Gibbous 93%

21:01

02:56

21 Bad
22 Bad
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 OK

Sun - Rise: 05:54, Set: 21:39, Transit: 13:46. Moon - Rise: 21:01, Set: 02:56. Civil Dark: 22:22 - 05:11. Nautical Dark: 23:21 - 04:13. Astro Dark: 01:02 - 02:37

Total Clouds (% Sky Obscured)

80
77
73
70
67
71
70
71
78
84
93
83
75
67
56
44
32

Low Clouds (% Sky Obscured)

22
16
19
21
26
24
19
18
25
34
38
43
42
42
37
29
22

Medium Clouds (% Sky Obscured)

45
35
44
51
57
52
46
38
41
41
41
25
11
0
2
3
4

High Clouds (% Sky Obscured)

29
32
18
9
0
8
13
17
24
33
41
32
28
31
25
17
4

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
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
4
24
34
38
38
32
13
17
16
3
8
7
2
2
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
17
17
16
16
14
15
15
14
14
12
16
16
15
16
17

Dew Point (°C)

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

Relative Humidity (%)

54
61
70
75
79
83
84
84
83
78
72
66
57
50
43
37
33

Pressure (mb)

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

Ozone (du)

364
366
367
363
358
354
352
349
347
347
348
348
348
348
348
346
344

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

Generated: 20/07/26 21:42:41. Forecast: 20/07/26 to 26/07/26. Timezone: UTC+2.00