Clear Outside v1.0 - International Weather Forecasts For Astronomers

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 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
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)

20
21
23
20
88
65
50
54
62
74
78
68
70
72
72
67
71
64
58
53
59
58
79
86

Low Clouds (% Sky Obscured)

20
19
16
19
20
19
45
37
38
64
62
52
47
62
66
67
71
64
58
53
48
41
29
25

Medium Clouds (% Sky Obscured)

0
0
0
0
10
17
17
13
28
34
48
33
46
35
16
2
7
2
6
0
59
58
60
60

High Clouds (% Sky Obscured)

3
16
6
5
76
65
11
38
26
6
22
5
3
3
2
0
0
0
3
2
0
4
28
35

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
3
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
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)

12
12
12
11
8
7
6
5
5
6
5
6
5
5
6
7
9
11
11
13
13
14
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
10
11
13
14
15
15
14
14
14
14
15
15
14
13
12
10
9
8
6
7
8
7
8

Relative Humidity (%)

41
47
55
63
76
85
89
90
90
92
93
93
93
87
76
63
53
47
44
41
40
41
40
44

Pressure (mb)

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

Ozone (du)

345
344
344
345
343
342
340
337
335
334
333
333
333
334
333
331
331
332
334
338
338
337
339
341

Saturday 18

Waxing Crescent 32%

12:16

23:30

18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
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

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)

88
76
44
38
35
40
35
57
67
75
70
77
73
72
82
69
91
67
82
78
61
73
60
75

Low Clouds (% Sky Obscured)

50
54
20
23
20
26
15
43
56
66
66
69
63
64
70
64
71
45
43
63
52
63
48
67

Medium Clouds (% Sky Obscured)

25
26
25
0
0
0
0
0
0
0
0
0
0
0
25
0
41
23
39
38
17
24
19
24

High Clouds (% Sky Obscured)

43
40
44
38
2
0
0
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
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
1
0
1
2
1
0
0
0
0
0
0
1
1
1
2
2
4
2
1
1
2
0
1

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
13
12
9
8
7
8
7
7
7
7
7
7
8
12
14
14
14
15
16
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
15
15
13
12
11
11
11
11
11
10
11
11
12
13
13
14
15
15
16
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

48
53
57
61
59
55
56
56
57
53
52
50
51
50
50
48
48
52
51
50
45
47
48
45

Pressure (mb)

1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1021
1021
1021
1022
1022
1022

Ozone (du)

343
345
346
350
357
361
364
365
368
370
371
373
373
372
370
369
367
365
364
364
363
362
359
359

Sunday 19

Waxing Crescent 32%

13:34

23:41

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

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)

17
52
33
19
93
73
64
84
69
68
74
47
90
59
61
66
89
84
80
77
70
63
56
37

Low Clouds (% Sky Obscured)

13
34
30
12
73
53
38
35
42
30
50
25
58
47
48
46
67
57
66
36
34
32
30
20

Medium Clouds (% Sky Obscured)

6
28
16
0
37
19
7
30
6
18
8
7
42
0
0
0
46
21
10
30
21
9
0
2

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
4
3
3
3
37
26
52
67
38
30
64
7
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
1
0
0
0
0
1
1
1
1
1
3
1
1
1
1
2
3
1
0
0
0
0
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
44
51
52
58
54
53
51
50
50
49
53
55
50
49
47
45
45
47
48
49
49
48
49

Pressure (mb)

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

Ozone (du)

357
356
355
356
357
358
359
360
361
359
358
357
357
358
358
357
356
355
353
353
353
353
353
352

Monday 20

Waxing Crescent 43%

14:50

23:53

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

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)

12
9
12
8
8
14
21
27
18
11
4
6
6
5
12
15
19
25
67
99
35
31
27
28

Low Clouds (% Sky Obscured)

7
4
8
8
8
14
21
27
18
11
0
0
0
0
11
15
19
25
34
35
35
31
27
28

Medium Clouds (% Sky Obscured)

4
6
4
2
0
0
0
0
0
0
0
0
0
0
2
2
2
16
30
44
35
31
27
18

High Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
2
3
5
3
3
4
3
3
12
54
93
24
12
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 (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
2
5
1
4
6
0
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
44
47
57
71
80
84
90
90
92
93
92
93
90
79
69
56
46
38
33
31
32
34
34

Pressure (mb)

1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1026
1026
1025
1025
1025
1025

Ozone (du)

354
356
358
358
356
355
350
344
340
338
339
340
337
333
330
328
329
330
327
331
336
337
337
337

Tuesday 21

First Quarter 53%

16:06

00:07

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
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)

85
78
87
93
100
100
100
99
99
98
98
98
98
98
99
99
99
100
100
100
94
88
82
83

Low Clouds (% Sky Obscured)

45
46
48
48
50
45
43
44
46
48
55
60
59
68
89
88
89
88
88
86
78
72
66
66

Medium Clouds (% Sky Obscured)

9
0
20
40
64
96
98
97
94
91
88
90
91
92
97
97
97
95
94
92
80
67
53
48

High Clouds (% Sky Obscured)

60
57
73
87
100
89
75
66
64
67
65
70
70
80
54
42
23
17
9
0
6
13
16
30

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

1
0
0
1
1
2
2
1
4
4
5
16
32
30
76
80
83
90
95
95
95
87
66
69

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.5
0.5
0.7
1
0.8
0.5
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
17
16
16
15
15
14
15
15
15
14
15
15
15
15
15
15
15
15
15
16
15
15
15

Dew Point (°C)

6
6
8
11
13
12
13
13
13
13
13
13
13
13
14
14
14
14
15
15
15
14
13
12

Relative Humidity (%)

35
39
46
62
76
79
82
83
85
85
87
87
86
82
83
86
87
90
90
90
92
81
72
64

Pressure (mb)

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

Ozone (du)

336
336
336
336
337
336
337
338
339
341
343
346
349
353
358
362
367
371
373
374
376
374
373
372

Wednesday 22

Waxing Gibbous 63%

17:20

00:23

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 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)

86
90
86
85
79
73
69
62
62
63
69
68
67
63
64
65
62
68
85
93
85
77
68
62

Low Clouds (% Sky Obscured)

66
66
68
71
69
65
60
55
60
60
63
55
47
39
41
44
47
59
74
90
85
77
68
62

Medium Clouds (% Sky Obscured)

44
45
50
52
55
42
30
16
18
20
22
28
33
37
39
43
43
42
40
43
29
16
2
1

High Clouds (% Sky Obscured)

43
56
64
63
61
47
29
10
10
9
9
6
4
1
1
1
1
3
6
8
6
4
3
3

ISS Passover

Visibility (miles)

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

Very Light Rain
Very Light Rain
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 (%)

70
71
61
53
47
41
31
19
36
44
47
44
40
35
35
31
25
25
26
27
33
29
9
22

Precipitation Amount (mm)

0.3
0.3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
79
87
89
90
90
90
89
87
90
90
93
90
87
85
72
60
50
47
44
42
42
42
42

Pressure (mb)

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

Ozone (du)

370
368
366
367
368
369
368
367
366
366
367
368
369
370
371
371
370
369
364
359
354
351
348
345

Thursday 23

Waxing Gibbous 72%

No Rise

00:46

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:49, Set: 21:43, Transit: 13:46. Moon - Rise: No Rise, 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)

56
50
55
58
63
66
69
72
78
81
86
86
85
87
82
76
68
57
52
43

Low Clouds (% Sky Obscured)

51
38
38
39
39
32
30
31
39
46
53
51
41
36
35
40
42
45
45
43

Medium Clouds (% Sky Obscured)

1
0
0
1
1
19
36
54
55
57
55
52
46
40
35
31
30
18
8
0

High Clouds (% Sky Obscured)

4
7
7
7
8
7
5
2
2
1
0
1
1
2
4
6
10
8
5
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

Fog (%)

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

Precipitation Probability (%)

19
2
4
4
1
5
5
1
2
2
1
4
4
2
3
4
1
2
3
1

Precipitation Amount (mm)

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
13
11
10
8
8
7
7
7
6
6
6
7
7
7
8
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
51
57
64
74
85
83
82
82
80
79
79
74
71
68
59
52
46
40
36

Pressure (mb)

1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020

Ozone (du)

343
340
338
336
335
334
332
331
329
330
330
331
331
332
332
333
334
335
333
331

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

Generated: 17/07/26 18:30:52. Forecast: 17/07/26 to 23/07/26. Timezone: UTC+2.00