Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waxing Crescent 43%

13:34

23:41

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

47
49
50
36
71
84
67
52
91
76
79
80
66
100
86
92
83
78
85
54
46
46
35
28

Low Clouds (% Sky Obscured)

47
7
12
26
44
40
57
46
89
74
76
79
60
94
63
79
56
54
55
46
29
41
35
28

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
64
47
39
43
39
44
33
10
0
0
0

High Clouds (% Sky Obscured)

0
0
1
3
16
62
8
3
3
1
35
59
40
41
30
65
65
5
5
3
19
9
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
2
1
2
1
1
1
2
1
1
1
2
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
13
12
13
12
10
10
10
10
10
11
12
14
15
15
16
16
17
19
19
20
18
18
17

Dew Point (°C)

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

Relative Humidity (%)

53
55
66
76
64
56
57
57
59
61
59
57
58
58
51
53
54
51
46
42
35
36
38
44

Pressure (mb)

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

Ozone (du)

362
359
356
357
356
353
352
353
354
354
353
353
352
352
352
351
350
353
354
353
351
349
348
346

Monday 20

Waxing Crescent 53%

14:50

23:53

21 Good
22 Good
23 Good
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 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 Good
20 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)

15
7
2
19
26
28
39
44
37
37
41
40
35
44
68
29
20
31
27
43
36
19
5
15

Low Clouds (% Sky Obscured)

15
7
2
19
26
28
39
44
37
37
41
40
35
39
30
4
20
31
25
40
34
18
4
15

Medium 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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
0
4
4
4
11
60
29
0
0
0
0
3
5
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
66
74
79
83
86
89
89
88
90
83
71
61
52
44
40
35
32
32
32
34
37
42
48

Pressure (mb)

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

Ozone (du)

347
350
354
354
354
353
350
347
344
342
341
339
337
337
338
336
339
341
340
338
338
338
338
338

Tuesday 21

First Quarter 63%

16:06

00:07

21 OK
22 Bad
23 Bad
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
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)

34
71
69
40
57
66
64
94
82
86
99
98
99
100
100
99
100
96
93
89
85
83
77
72

Low Clouds (% Sky Obscured)

19
22
29
40
57
66
64
84
71
81
92
96
99
90
83
68
66
70
74
77
72
66
61
54

Medium Clouds (% Sky Obscured)

0
0
0
0
5
0
0
29
0
0
35
42
56
60
75
92
99
80
61
42
40
37
40
36

High Clouds (% Sky Obscured)

12
64
49
6
13
48
27
32
58
45
44
53
75
100
100
79
100
88
22
4
0
2
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
1
0
0
4
5
4
5
3
2
3
4
7
18
17
16
18
5
13
10
9
6

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
11
12
12
12
13
13
13
12
12
11
11
11
11
11
12
12
12
12
13
14
14
13
13

Relative Humidity (%)

58
72
80
86
89
90
90
89
79
79
70
69
66
67
64
66
64
59
60
64
69
70
71
71

Pressure (mb)

1026
1026
1026
1026
1026
1025
1025
1024
1024
1024
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1021

Ozone (du)

337
337
337
336
335
335
335
335
336
338
336
336
337
337
336
335
335
336
338
342
345
347
349
352

Wednesday 22

Waxing Gibbous 72%

17:20

00:23

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

32
24
59
65
51
37
79
87
89
88
86
86
86
86
87
86
87
88
92
95
40
45
49
50

Low Clouds (% Sky Obscured)

32
24
43
48
47
37
68
77
71
65
58
59
64
64
67
66
51
26
25
28
29
34
35
48

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
37
29
14
25
37
31

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
28
14
7
4
27
67
70
72
75
79
87
29
29
29
19

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 (%)

7
13
15
8
6
6
7
7
14
8
1
1
1
0
0
1
1
1
1
1
2
1
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
8
6
6
6
6
6
7
6
6
6
7
8
9
10
10
11
12
13
13
13
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
83
89
87
84
87
90
75
75
78
69
63
58
58
58
56
53
45
44
46
47
48
50
57

Pressure (mb)

1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

355
356
359
364
368
370
372
366
361
354
347
342
338
335
332
330
327
326
324
325
324
322
321
321

Thursday 23

Waxing Gibbous 72%

18:31

00:46

21 Bad
22 Bad
23 Bad
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
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)

51
54
50
41
34
42
50
52
47
45
50
56
67
79
84
90
95
84
72
57
53
52
50
47

Low Clouds (% Sky Obscured)

51
54
50
41
34
40
44
46
44
42
39
56
60
59
52
42
39
30
17
4
4
4
3
4

Medium Clouds (% Sky Obscured)

22
11
7
4
0
8
16
24
31
40
47
1
1
2
11
20
29
38
44
47
29
15
0
0

High Clouds (% Sky Obscured)

10
0
0
0
0
3
6
6
4
3
9
23
41
54
66
75
84
58
32
5
15
24
33
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 (%)

0
0
4
7
8
8
7
3
6
5
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)

9
6
5
4
4
4
4
4
3
3
3
3
4
4
5
6
7
8
10
12
14
12
11
11

Chance of Frost

Temperature (°C)

17
16
15
14
14
14
14
13
13
13
14
16
17
18
20
22
23
25
25
25
26
24
23
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
75
83
87
89
89
89
92
90
92
87
79
68
60
53
47
42
37
36
35
35
38
41
44

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1021
1020
1020
1020
1019
1018
1018
1017
1016
1016
1016
1015

Ozone (du)

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

Friday 24

Waxing Gibbous 80%

19:33

01:17

21 OK
22 OK
23 OK
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)

46
43
48
56
60
55
50
51
65
75
87
91
96
100
100
100
100
99
99
98
99
99
100
98

Low Clouds (% Sky Obscured)

6
9
16
24
34
23
17
8
22
36
51
56
61
65
73
78
82
83
83
81
81
78
74
74

Medium Clouds (% Sky Obscured)

0
0
0
0
0
10
18
27
44
61
80
75
67
64
66
68
69
64
58
49
52
46
45
61

High Clouds (% Sky Obscured)

42
43
48
56
60
55
50
51
56
57
50
66
82
98
86
76
65
59
52
45
56
65
62
42

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
9
12
14
21
23
23
25
27
30
30
28
23
20
16
10
7

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
6
4
4
3
3
3
3
4
4
5
6
7
9
12
12
12
13
13
13
13
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
12
12
11
10
10
10
11
11
12
13
13
12
12
13
13
14
14
14
13
13
12
12

Relative Humidity (%)

53
62
74
74
73
70
73
74
76
77
79
79
76
71
66
70
72
76
76
77
76
72
69
65

Pressure (mb)

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

Ozone (du)

327
325
322
321
321
320
319
318
316
318
320
321
324
328
331
330
330
329
326
322
319
318
316
315

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

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)

97
95
95
96
96
94
93
92
95
97
100
100
99
99
97
96
94

Low Clouds (% Sky Obscured)

74
74
81
85
87
77
68
50
40
25
25
38
59
78
75
75
74

Medium Clouds (% Sky Obscured)

58
54
57
56
55
58
61
59
61
58
55
50
46
46
39
33
31

High Clouds (% Sky Obscured)

20
1
2
2
3
6
9
14
10
5
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

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 (%)

4
1
4
4
3
10
10
6
20
24
29
32
35
40
36
32
24

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
15
15
15
15
15
16
15
15
15
16
17
17
17
16

Dew Point (°C)

12
12
12
12
12
12
12
13
13
13
13
13
13
14
14
13
12

Relative Humidity (%)

67
71
73
74
75
78
78
79
81
78
78
77
76
76
75
66
59

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012

Ozone (du)

315
315
315
314
313
312
312
311
311
312
314
315
316
317
318
319
320

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

Generated: 19/07/26 21:02:59. Forecast: 19/07/26 to 25/07/26. Timezone: UTC+2.00