Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 32%

12:16

23:30

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

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)

97
73
66
53
47
51
41
61
60
58
65
68
66
73
81
77
82
41
32
29
50
45
42
36

Low Clouds (% Sky Obscured)

41
34
10
34
32
42
37
50
55
53
63
63
64
69
79
74
78
41
32
20
38
40
42
36

Medium Clouds (% Sky Obscured)

17
0
0
0
0
0
0
7
0
0
0
0
0
0
0
0
0
0
0
26
45
23
0
0

High Clouds (% Sky Obscured)

65
30
0
0
0
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 (%)

4
11
3
2
7
2
2
3
1
1
1
0
0
0
0
0
0
0
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)

13
12
9
7
8
7
7
7
6
6
7
6
8
12
13
13
14
15
15
15
16
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
58
65
61
56
64
67
71
69
60
52
58
53
49
46
45
45
41
36
35
36
38
42
45

Pressure (mb)

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

Ozone (du)

346
356
362
362
364
369
371
372
371
370
370
371
372
371
368
369
369
368
369
370
366
363
358
358

Sunday 19

Waxing Crescent 43%

13:34

23:41

20 Bad
21 OK
22 OK
23 OK
00 Bad
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 OK
19 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)

56
26
17
27
73
66
55
75
81
84
70
69
45
68
79
92
93
98
95
73
60
50
31
22

Low Clouds (% Sky Obscured)

56
26
17
23
65
55
40
63
67
78
59
60
30
62
65
60
50
89
86
31
23
25
22
22

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
1
30
50
53
52
38
40
19
23
12
0

High Clouds (% Sky Obscured)

0
0
1
0
4
29
5
11
14
19
36
69
43
68
56
52
4
5
4
35
29
10
3
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
3
3
0
1
2
1
1
2
1
1
1
1
2
1
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
13
15
14
12
11
11
11
10
11
11
12
12
13
15
16
16
17
18
18
20
18
18
17

Dew Point (°C)

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

Relative Humidity (%)

50
56
68
75
65
54
54
54
53
56
56
58
53
53
53
52
52
50
48
43
34
34
36
39

Pressure (mb)

1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

357
357
356
356
355
356
355
351
349
350
350
348
348
348
348
348
347
348
349
348
348
347
348
350

Monday 20

Waxing Crescent 53%

14:50

23:53

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

0
6
15
20
25
36
39
34
26
31
28
19
0
36
31
42
32
33
28
22
15
12
29
8

Low Clouds (% Sky Obscured)

0
6
15
20
25
36
39
34
26
31
28
19
0
36
31
42
32
28
23
19
13
11
10
8

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
32
21
11
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
2
0
1
3
4
3
0
4
4
8
6
29
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
8
10
10
10
10
11
11
11
11
11
11
10
10
8
8
7
6
6
6
6
7
7
7

Relative Humidity (%)

44
52
64
70
76
82
84
87
90
90
90
84
69
60
50
44
39
35
33
32
33
35
36
40

Pressure (mb)

1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025

Ozone (du)

352
353
353
354
354
355
355
355
352
348
347
345
345
343
341
338
338
337
335
335
334
333
332
331

Tuesday 21

First Quarter 50%

16:06

00:07

20 OK
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

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)

26
46
63
90
61
62
65
67
96
100
94
95
100
100
100
100
99
99
98
98
98
92
85
73

Low Clouds (% Sky Obscured)

26
46
63
64
52
40
46
54
72
80
83
79
88
97
99
96
92
86
81
84
79
75
68
57

Medium Clouds (% Sky Obscured)

20
40
60
54
39
28
39
49
54
49
45
40
45
50
50
98
96
94
93
91
90
75
60
42

High Clouds (% Sky Obscured)

3
3
2
45
48
62
63
52
43
20
15
42
55
55
55
65
65
65
60
55
60
10
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
5
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

1
1
1
2
3
1
3
3
3
6
10
6
18
26
28
77
95
95
95
88
73
58
45
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
1.2
0.8
0.7
0.4
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
17
16
15
17
16
16
15
15
15
15
15
15
15
16
16
16
16
15
15
15
16
16

Dew Point (°C)

9
11
13
13
13
13
13
13
13
12
11
11
10
11
11
11
11
12
11
12
15
16
16
15

Relative Humidity (%)

49
60
73
82
85
85
86
87
87
79
75
72
65
67
65
66
62
67
61
70
89
95
90
82

Pressure (mb)

1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019

Ozone (du)

331
332
332
332
334
337
340
339
341
341
340
339
337
337
336
337
339
340
341
344
346
352
357
363

Wednesday 22

Waxing Gibbous 63%

17:20

00:23

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
18 Bad
19 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)

43
67
77
76
84
87
88
89
90
87
85
82
97
97
97
96
95
95
90
82
72
65
62
58

Low Clouds (% Sky Obscured)

43
57
62
65
72
73
69
65
61
65
69
73
80
76
74
83
88
92
76
60
43
38
36
31

Medium Clouds (% Sky Obscured)

6
8
12
16
23
30
35
43
48
32
17
0
50
51
56
55
54
53
59
61
59
46
39
26

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
2
3
6
9
7
4
1
2
3
4
16
29
41

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 (%)

24
16
14
13
20
16
17
9
10
15
17
8
17
17
14
14
12
3
8
8
5
5
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
14
14
14
13
13
12
12
12
12
12
13
13
14
14
14
14
14
17
17
16
17
17

Dew Point (°C)

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

Relative Humidity (%)

82
83
78
75
79
80
80
78
71
73
74
69
67
64
60
58
54
52
49
49
48
48
48
49

Pressure (mb)

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

Ozone (du)

373
372
373
374
375
377
379
379
379
374
372
369
366
362
358
354
350
345
340
338
335
332
330
328

Thursday 23

Waxing Gibbous 72%

18:31

00:46

20 Bad
21 OK
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
18 Bad
19 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)

51
41
38
46
49
56
58
59
54
53
54
52
53
53
53
57
57
55
58
63
67
67
68
68

Low Clouds (% Sky Obscured)

30
32
38
46
49
56
52
58
54
53
54
52
51
46
42
35
31
26
26
27
31
25
23
23

Medium Clouds (% Sky Obscured)

17
12
6
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
2
1
0

High Clouds (% Sky Obscured)

27
16
3
4
5
6
5
3
2
2
2
2
7
13
20
30
36
45
45
45
45
44
47
59

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 (%)

2
3
1
13
13
3
8
6
2
2
2
0
1
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)

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

Chance of Frost

Temperature (°C)

19
18
17
16
15
15
14
14
14
13
14
14
15
17
18
20
21
23
24
24
24
24
24
24

Feels Like (°C)

18
17
17
18
17
16
15
14
15
15
14
13
13
17
17
17
17
18
18
23
22
22
21
21

Dew Point (°C)

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

Relative Humidity (%)

50
59
68
80
83
86
87
89
92
92
87
83
80
67
55
45
40
35
31
32
33
35
34
33

Pressure (mb)

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

Ozone (du)

326
323
321
319
318
317
316
316
316
317
317
317
318
319
321
322
323
324
325
326
327
327
327
327

Friday 24

Waxing Gibbous 80%

19:33

01:17

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: 05:51, 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)

79
89
99
95
90
86
92
96
100
100
100
100
85
72
61
64
60
60

Low Clouds (% Sky Obscured)

17
10
4
9
13
19
23
24
32
30
28
17
21
23
24
28
32
37

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
7
13
18
18
19
22
16
10
1
1
0
0

High Clouds (% Sky Obscured)

72
86
99
84
69
61
76
90
100
100
100
100
78
55
43
47
56
55

ISS Passover

Visibility (miles)

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

Precipitation Type

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
2
3
3
13
16
18

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
6
5
4
4
5
6
5
4
5
7
8
10
11
12
14
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

31
39
47
58
63
69
77
79
85
87
79
72
66
59
54
48
50
52

Pressure (mb)

1016
1016
1015
1015
1015
1014
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

326
327
327
328
329
330
332
332
332
332
334
336
338
339
341
342
341
339

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

Generated: 18/07/26 20:02:59. Forecast: 18/07/26 to 24/07/26. Timezone: UTC+2.00