Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 16

Waxing Crescent 14%

09:34

23:06

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

Sun - Rise: 05:40, Set: 21:52, Transit: 13:45. Moon - Rise: 09:34, Set: 23:06. Civil Dark: 22:37 - 04:55. Nautical Dark: 23:43 - 03:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
69
54
3
22
6
2
6
7
15
5
30
39
30
46
40
47
58
57
42
27
23
29
27

Low Clouds (% Sky Obscured)

16
12
1
1
0
1
0
0
0
0
0
12
25
21
46
40
41
24
56
31
27
23
29
27

Medium Clouds (% Sky Obscured)

33
19
2
2
22
4
2
5
5
2
1
17
18
19
4
1
0
0
31
33
7
0
0
0

High Clouds (% Sky Obscured)

4
3
1
0
0
1
0
0
3
9
3
2
3
0
0
0
9
28
18
6
1
2
3
2

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

Chance of Frost

Temperature (°C)

25
25
24
22
21
19
18
18
17
17
16
15
15
16
18
20
21
23
24
25
25
25
26
25

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

33
38
48
56
64
68
72
81
83
85
87
87
90
83
70
57
47
41
37
33
29
28
30
33

Pressure (mb)

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

Ozone (du)

347
345
345
342
340
339
337
338
340
340
340
342
342
343
344
345
345
344
344
344
342
343
343
343

Friday 17

Waxing Crescent 23%

10:57

23:19

18 OK
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
09 OK
10 OK
11 OK
12 Bad
13 OK
14 OK
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:41, Set: 21:51, Transit: 13:45. Moon - Rise: 10:57, Set: 23:19. Civil Dark: 22:36 - 04:56. Nautical Dark: 23:41 - 03:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

30
32
29
30
65
65
66
60
62
53
64
55
54
51
49
38
42
20
50
36
42
83
96
95

Low Clouds (% Sky Obscured)

30
32
21
27
34
28
46
58
59
53
62
55
54
51
49
38
42
20
41
32
28
27
36
35

Medium Clouds (% Sky Obscured)

0
0
9
3
8
0
1
18
31
6
22
10
3
3
2
1
0
0
46
3
10
21
44
49

High Clouds (% Sky Obscured)

2
1
1
1
25
25
30
24
20
2
6
8
7
3
2
0
1
1
0
3
12
70
85
55

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)

14
14
12
10
8
7
6
6
6
5
5
5
5
5
7
9
11
12
11
14
14
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

35
39
44
52
65
77
83
82
82
86
89
90
90
87
77
60
49
44
41
34
37
38
40
43

Pressure (mb)

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

Ozone (du)

343
343
342
341
341
342
342
341
339
339
336
335
337
338
337
336
334
335
337
337
337
337
339
341

Saturday 18

Waxing Crescent 32%

12:16

23:30

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

Sun - Rise: 05:42, Set: 21:50, Transit: 13:45. Moon - Rise: 12:16, Set: 23:30. Civil Dark: 22:34 - 04:58. Nautical Dark: 23:39 - 03:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

93
67
92
80
55
18
40
78
74
67
48
35
51
22
75
85
89
78
89
94
91
88
62
52

Low Clouds (% Sky Obscured)

33
7
26
6
21
18
40
64
57
47
46
35
47
10
60
65
64
52
59
39
46
53
50
45

Medium Clouds (% Sky Obscured)

66
67
88
56
0
0
0
0
0
0
0
0
12
0
18
20
39
29
43
51
46
40
35
31

High Clouds (% Sky Obscured)

65
67
80
80
55
0
2
0
0
0
0
0
0
0
0
14
0
4
0
0
0
0
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 (%)

0
0
0
1
1
0
0
0
0
1
0
1
0
1
0
1
1
1
1
1
1
1
1
2

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)

15
13
13
11
9
8
7
7
8
8
6
6
6
6
9
11
12
12
13
13
13
14
15
15

Chance of Frost

Temperature (°C)

20
19
18
17
16
15
14
14
15
14
13
13
12
13
15
16
17
17
18
19
19
19
19
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
52
56
58
63
69
70
64
55
56
66
72
72
66
55
50
50
49
51
49
48
47
46
45

Pressure (mb)

1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021

Ozone (du)

343
344
346
348
354
358
359
360
361
363
366
366
368
369
372
374
373
373
372
367
363
360
358
356

Sunday 19

Waxing Crescent 32%

13:34

23:41

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

Sun - Rise: 05:44, Set: 21:48, Transit: 13:45. Moon - Rise: 13:34, Set: 23:41. Civil Dark: 22:33 - 05:00. Nautical Dark: 23:37 - 03:56. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

34
32
34
51
40
51
63
74
66
52
43
9
4
3
44
65
57
78
72
96
54
81
81
51

Low Clouds (% Sky Obscured)

34
32
28
18
5
16
31
45
35
22
12
0
0
0
12
21
32
26
23
21
25
23
26
24

Medium Clouds (% Sky Obscured)

27
22
14
7
0
10
19
28
22
16
9
5
2
0
8
17
26
31
35
59
40
59
59
34

High Clouds (% Sky Obscured)

4
3
2
2
2
0
0
0
0
2
3
5
3
3
30
40
29
62
65
95
33
51
59
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
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 (%)

3
0
1
3
2
3
7
11
5
2
1
2
3
1
2
2
2
2
2
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)

15
15
14
11
10
8
7
7
8
7
7
6
6
5
6
7
7
7
8
8
9
10
11
12

Chance of Frost

Temperature (°C)

19
19
18
17
16
15
15
14
14
13
13
12
12
13
15
17
18
20
21
22
22
23
23
23

Feels Like (°C)

16
16
15
15
13
12
12
12
11
11
11
11
12
14
14
15
16
17
18
19
18
20
19
18

Dew Point (°C)

7
7
8
8
7
6
6
7
8
8
8
8
9
9
8
7
6
6
6
6
7
7
6
7

Relative Humidity (%)

44
47
51
55
55
54
56
62
68
69
69
73
81
75
61
52
46
41
38
37
36
35
34
35

Pressure (mb)

1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1024
1024
1024
1024
1024
1023
1023
1023
1023

Ozone (du)

356
356
356
355
354
354
355
357
357
358
360
362
361
359
357
354
353
351
348
347
347
346
344
342

Monday 20

Waxing Crescent 43%

14:50

23:53

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

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)

21
18
19
18
22
29
35
41
48
54
56
45
35
29
40
38
39
58
72
87
90
92
96
96

Low Clouds (% Sky Obscured)

21
18
19
18
22
26
26
27
30
33
36
25
13
1
40
35
23
37
52
70
78
85
92
84

Medium Clouds (% Sky Obscured)

7
2
2
0
0
7
16
26
34
44
52
45
35
29
34
36
39
45
51
56
57
54
47
29

High Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
2
3
4
5
6
7
9
24

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
3
6
5
11
14
15
12
8
1
2

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)

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

Chance of Frost

Temperature (°C)

22
21
20
18
16
15
14
13
13
12
12
12
12
14
15
16
18
19
20
20
21
21
22
22

Feels Like (°C)

18
18
18
17
15
15
14
13
13
13
13
12
13
14
15
16
16
16
17
17
18
20
20
20

Dew Point (°C)

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

Relative Humidity (%)

35
36
39
47
61
68
73
78
81
83
83
83
84
75
62
55
49
43
44
44
45
46
46
47

Pressure (mb)

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

Ozone (du)

341
338
336
337
339
342
343
345
345
344
343
341
341
337
334
333
332
330
331
332
333
333
333
333

Tuesday 21

First Quarter 53%

16:06

00:07

18 Bad
19 Bad
20 Bad
21 Bad
22 OK
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

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)

96
97
77
56
38
57
73
91
95
97
99
99
100
100
100
99
99
99
99
100
95
90
84
81

Low Clouds (% Sky Obscured)

75
67
57
44
36
37
38
39
43
54
61
67
72
78
69
61
52
57
62
67
61
55
49
47

Medium Clouds (% Sky Obscured)

14
0
0
0
0
13
25
41
49
58
63
75
87
100
99
98
97
98
98
99
87
75
64
55

High Clouds (% Sky Obscured)

39
54
38
26
12
34
55
78
83
85
84
88
92
96
77
58
43
42
38
38
41
44
47
38

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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

4
1
2
2
0
1
2
1
4
5
4
12
16
18
21
21
20
25
31
42
67
78
85
75

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
12
11
9
7
5
5
5
5
4
4
5
5
6
7
7
9
11
11
11
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
11
12
12
13
13
13
13
13
13
13
13
13
12
11
11
10
10
9
7
6

Relative Humidity (%)

49
51
53
61
71
82
84
89
90
90
89
89
86
85
83
74
65
58
56
53
51
46
41
38

Pressure (mb)

1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1021
1021
1020
1020
1019
1018
1018
1017
1017
1017
1016
1016
1016
1016

Ozone (du)

335
336
338
339
340
342
343
345
346
348
350
351
353
354
356
359
361
364
363
362
361
361
361
361

Wednesday 22

Waxing Gibbous 63%

17:20

00:23

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

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)

78
75
66
57
47
33
20
6
31
56
86
79
69
55
50
42
35
41
52
61

Low Clouds (% Sky Obscured)

47
49
46
44
41
30
18
6
9
12
16
24
37
44
46
42
35
32
24
17

Medium Clouds (% Sky Obscured)

50
43
19
10
2
1
1
0
0
0
0
9
16
22
13
6
0
11
19
28

High Clouds (% Sky Obscured)

34
44
33
23
11
8
5
1
14
34
60
44
22
1
1
1
1
3
5
6

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

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

Precipitation Probability (%)

59
36
27
20
2
3
5
0
1
1
0
1
2
1
4
6
8
8
6
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
19
18
16
15
14
14
13
13
13
12
13
14
15
17
19
20
21
22

Feels Like (°C)

18
19
19
16
16
16
15
15
15
12
13
14
13
13
13
17
18
18
19
20

Dew Point (°C)

7
8
10
10
11
12
12
12
12
12
11
12
12
12
12
11
10
9
8
8

Relative Humidity (%)

42
47
53
61
71
80
83
87
92
92
92
95
89
83
79
66
55
46
43
40

Pressure (mb)

1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

361
362
362
361
361
360
356
353
349
346
344
341
340
340
340
339
338
337
336
335

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

Generated: 16/07/26 18:21:23. Forecast: 16/07/26 to 22/07/26. Timezone: UTC+2.00