Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 26

Waxing Gibbous 93%

20:23

02:56

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
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:52, Set: 21:39, Transit: 13:46. Moon - Rise: 20:23, Set: 02:56. Civil Dark: 22:22 - 05:10. Nautical Dark: 23:21 - 04:10. Astro Dark: 01:02 - 02:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
97
97
100
94
100
69
48
72
87
82
64
81
71
69
70
58
47
56
83

Low Clouds (% Sky Obscured)

40
49
53
72
79
83
83
100
89
92
57
39
62
83
75
47
71
68
55
50
39
21
53
68

Medium Clouds (% Sky Obscured)

57
100
99
99
78
93
93
72
90
43
31
15
24
16
28
27
22
14
19
22
18
18
12
25

High Clouds (% Sky Obscured)

100
100
100
90
55
55
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
1
0
11
5
11
26
38
60
66
56
45
41
51
15
6
9
17
10
27
27
38
42

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
7
6
6
7
8
11
14
17
14
16
17
18
17
15
14
12
10
10
9
9
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
90
88
82
81
78
67
66
69
85
81
64
56
56
57
55
56
65
69
71
71
74
83
90

Pressure (mb)

1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1003
1003
1003
1003
1004
1004
1005
1006
1006
1007
1008
1008
1009
1010

Ozone (du)

327
326
328
327
328
330
332
340
344
349
349
347
345
343
341
340
340
339
338
339
340
341
342
342

Monday 27

Waxing Gibbous 97%

21:01

04:03

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 OK
17 OK
18 Good
19 Good
20 OK
21 OK
22 Bad
23 OK
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:54, Set: 21:37, Transit: 13:46. Moon - Rise: 21:01, Set: 04:03. Civil Dark: 22:20 - 05:11. Nautical Dark: 23:19 - 04:13. Astro Dark: 00:55 - 02:43

Total Clouds (% Sky Obscured)

74
57
56
80
91
75
94
92
96
86
90
47
28
21
7
9
35
39
50
46
62
75
75
78

Low Clouds (% Sky Obscured)

46
30
30
64
82
62
75
69
76
69
83
43
20
13
4
6
24
24
28
27
20
35
72
78

Medium Clouds (% Sky Obscured)

36
31
26
28
23
29
34
38
33
24
11
0
0
0
0
0
0
24
18
27
29
32
10
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
2
2
1
1
0
0
0
0
0
3
35
7
3
14

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
6
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 (%)

12
6
13
7
18
26
30
43
25
21
3
4
0
0
0
3
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
6
5
5
5
5
6
8
10
12
14
14
15
14
13
11
9
5
3
3
3
4
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
93
86
81
75
68
65
57
54
53
45
43
46
47
50
58
66
68
73
77
79
79

Pressure (mb)

1011
1011
1012
1013
1014
1014
1015
1015
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019

Ozone (du)

343
343
343
342
341
340
340
342
342
343
343
342
341
340
339
338
338
336
335
333
333
332
331
331

Tuesday 28

Waxing Gibbous 100%

21:28

04:03

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

Sun - Rise: 05:55, Set: 21:36, Transit: 13:46. Moon - Rise: 21:28, Set: 04:03. Civil Dark: 22:18 - 05:13. Nautical Dark: 23:16 - 04:15. Astro Dark: 00:48 - 02:49

Total Clouds (% Sky Obscured)

76
92
75
56
45
38
30
67
65
56
68
73
74
72
30
75
74
84
51
49
46
45
46
44

Low Clouds (% Sky Obscured)

71
86
43
28
15
16
15
51
46
38
23
20
15
10
3
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

17
24
41
31
21
16
6
0
18
36
42
24
38
40
17
36
52
84
51
49
39
34
34
32

High Clouds (% Sky Obscured)

10
3
40
6
2
3
4
1
5
1
40
73
59
42
1
30
55
9
2
2
1
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)

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

Chance of Frost

Temperature (°C)

17
17
17
17
19
21
23
24
26
27
28
28
29
29
28
28
27
25
23
22
21
20
20
20

Feels Like (°C)

16
15
16
18
20
23
24
25
27
27
28
28
28
29
29
29
27
27
22
21
20
20
21
21

Dew Point (°C)

12
10
12
14
15
13
12
12
12
12
12
12
13
13
14
14
15
16
17
16
15
15
15
15

Relative Humidity (%)

74
66
73
82
77
62
51
47
42
39
38
37
38
39
40
41
46
56
71
70
70
72
74
74

Pressure (mb)

1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018

Ozone (du)

329
329
330
329
329
328
327
326
324
323
322
321
320
320
320
321
322
321
320
321
321
320
321
321

Wednesday 29

Full Moon 100%

21:48

05:17

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

Sun - Rise: 05:57, Set: 21:34, Transit: 13:46. Moon - Rise: 21:48, Set: 05:17. Civil Dark: 22:16 - 05:15. Nautical Dark: 23:14 - 04:17. Astro Dark: 00:42 - 02:54

Total Clouds (% Sky Obscured)

42
48
50
32
21
11
1
7
14
16
18
20
20
25
30
41
36
24
17
24
32
62
65
66

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
0
0
0

Medium Clouds (% Sky Obscured)

33
47
50
20
12
8
1
0
0
0
3
7
9
11
15
35
31
7
4
8
17
24
27
30

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
7
14
16
12
8
4
2
1
0
4
8
12
8
4
18
20
15

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)

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

Chance of Frost

Temperature (°C)

19
19
19
20
22
25
28
30
32
34
35
35
36
36
36
35
34
31
29
28
27
26
25
25

Feels Like (°C)

20
20
20
20
22
25
28
31
32
33
34
35
35
36
35
35
34
30
28
25
25
24
22
22

Dew Point (°C)

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

Relative Humidity (%)

73
75
75
70
56
42
34
27
23
21
19
18
17
17
16
17
19
23
26
28
30
30
34
36

Pressure (mb)

1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1013
1013
1013
1012
1012
1012
1013
1012
1012
1012
1011

Ozone (du)

321
322
322
321
322
323
324
323
322
321
321
321
322
323
323
322
321
320
319
319
318
317
316
315

Thursday 30

Waning Gibbous 98%

22:03

06:34

04 OK
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
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:58, Set: 21:33, Transit: 13:45. Moon - Rise: 22:03, Set: 06:34. Civil Dark: 22:14 - 05:17. Nautical Dark: 23:11 - 04:20. Astro Dark: 00:37 - 02:59

Total Clouds (% Sky Obscured)

45
68
71
99
86
83
84
93
100
100
100
100
100
99
97
95
61
56
55
58
62
65
70
74

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
0
0
0

Medium Clouds (% Sky Obscured)

30
33
39
42
38
32
26
34
70
100
63
34
26
17
9
0
10
8
3
14
25
36
42
49

High Clouds (% Sky Obscured)

1
36
61
99
86
83
84
93
100
100
100
100
100
99
97
95
32
27
31
32
33
38
46
49

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
2
4
3
6
6
4
8
5
9
4
6
0
0
0
0
2
1
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)

9
8
9
10
11
12
13
13
14
13
14
14
14
13
13
11
10
7
6
5
4
4
4
4

Chance of Frost

Temperature (°C)

24
24
24
24
26
29
30
31
31
31
30
31
31
30
29
27
26
25
23
21
20
19
19
18

Feels Like (°C)

21
23
22
24
23
26
28
28
28
27
27
27
27
26
25
24
23
24
24
22
22
21
20
17

Dew Point (°C)

9
8
9
9
8
6
4
6
7
7
8
8
9
9
8
8
10
12
14
15
15
15
16
16

Relative Humidity (%)

37
37
38
37
30
24
19
20
21
22
24
23
25
27
27
30
34
43
55
68
72
77
82
85

Pressure (mb)

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

Ozone (du)

315
315
313
313
312
311
310
311
312
311
313
315
316
317
317
318
319
321
322
324
324
325
325
326

Friday 31

Waning Gibbous 94%

22:16

07:50

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
01 OK
02 OK
03 OK

Sun - Rise: 06:00, Set: 21:31, Transit: 13:45. Moon - Rise: 22:16, Set: 07:50. Civil Dark: 22:12 - 05:18. Nautical Dark: 23:09 - 04:22. Astro Dark: 00:31 - 03:04

Total Clouds (% Sky Obscured)

80
79
79
79
86
93
100
79
60
45
55
68
78
82
85
86
90
94
100
73
47
20
29
37

Low Clouds (% Sky Obscured)

0
0
0
0
1
2
3
10
23
32
24
18
15
15
18
20
18
20
17
13
7
0
8
12

Medium Clouds (% Sky Obscured)

55
44
36
27
26
28
25
24
33
36
39
38
32
27
22
17
15
17
22
16
10
3
4
5

High Clouds (% Sky Obscured)

54
60
67
74
83
91
100
79
60
45
55
68
78
82
85
86
90
94
100
69
40
18
15
11

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

Precipitation Probability (%)

0
0
0
0
18
28
35
62
73
80
62
40
2
9
11
11
14
13
11
10
9
3
4
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.4
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
18
18
17
17
21
22
22
22
22
23
28
27
26
26
27
27
22
22
22
21
21
19
16

Dew Point (°C)

15
15
15
15
16
14
12
11
10
9
8
8
8
8
9
9
10
11
12
12
12
12
11
12

Relative Humidity (%)

86
89
83
80
76
60
48
38
36
34
32
31
31
30
34
37
41
47
54
62
64
65
66
68

Pressure (mb)

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

Ozone (du)

327
328
329
330
331
332
332
333
332
332
331
329
328
327
326
325
325
323
322
321
321
320
320
319

Saturday 1

Waning Gibbous 92%

22:27

09:07

04 OK
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
01 OK

Sun - Rise: 06:01, Set: 21:29, Transit: 13:45. Moon - Rise: 22:27, Set: 09:07. Civil Dark: 22:10 - 05:20. Nautical Dark: 23:06 - 04:24. Astro Dark: 00:26 - 03:09

Total Clouds (% Sky Obscured)

46
57
68
79
82
87
91
94
97
100
100
100
100
93
86
79
70
62
58
54
51
45

Low Clouds (% Sky Obscured)

15
12
12
14
15
16
17
17
15
10
8
9
10
7
4
1
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

5
7
9
10
13
14
19
23
30
34
39
40
41
37
32
25
29
32
36
35
35
35

High Clouds (% Sky Obscured)

8
19
26
40
57
69
82
88
94
100
100
100
100
93
86
78
61
41
26
17
12
10

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
17
16
16
15
18
17
16
17
17
17
26
25
25
26
27
28
22
21
21
20
18

Dew Point (°C)

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

Relative Humidity (%)

71
72
68
64
61
54
46
40
35
31
28
25
24
23
27
31
35
42
49
58
59
59

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016

Ozone (du)

319
318
317
316
314
314
313
312
311
310
309
309
309
309
308
308
308
308
308
308
309
309

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

Generated: 26/07/26 04:10:40. Forecast: 26/07/26 to 01/08/26. Timezone: UTC+2.00