Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 15

Waning Gibbous 71%

23:54

12:23

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
20 OK
21 Good

Sun - Rise: 05:39, Set: 21:52, Transit: 13:45. Moon - Rise: 23:54, Set: 12:23. Civil Dark: 22:38 - 04:54. Nautical Dark: 23:45 - 03:47. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
92
84
92
100
96
95
62
56
63
73
84
80
84
81
87
92
86
73
55
56
57
32
18

Low Clouds (% Sky Obscured)

0
40
39
38
84
72
71
61
53
49
52
73
65
75
66
67
68
71
63
55
48
55
32
18

Medium Clouds (% Sky Obscured)

57
88
73
87
100
88
90
32
7
17
22
25
18
19
20
34
54
34
19
0
24
13
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

9
9
9
9
9
5
4
7
6
9
5
7
5
5
7
5
4
6
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
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
15
21
76
95
95
95
44
59
65
70
80
77
59
54
39
23
9
3
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.6
1
1.1
0.6
0
0.2
0.3
0.3
0.5
0.5
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
67
69
72
73
83
93
95
95
95
89
86
85
81
76
75
73
81
71
56
59
61
64
73

Pressure (mb)

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

Ozone (du)

337
340
342
341
340
339
340
340
343
346
346
345
342
343
345
346
351
352
349
339
332
325
321
319

Wednesday 16

Waning Gibbous 60%

00:05

13:48

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

Sun - Rise: 05:40, Set: 21:50, Transit: 13:45. Moon - Rise: 00:05, Set: 13:48. Civil Dark: 22:37 - 04:55. Nautical Dark: 23:43 - 03:50. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

17
30
41
45
72
79
11
50
61
47
52
54
55
37
54
48
40
43
6
4
3
7
72
3

Low Clouds (% Sky Obscured)

6
0
14
7
3
3
0
32
61
47
50
46
43
37
43
38
26
13
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
3
1
0
0
0
0
0
0
1
1
0
0
0
0
0
1
1
0
0

High Clouds (% Sky Obscured)

12
30
25
37
72
79
11
6
1
0
2
5
5
0
5
10
14
36
6
4
3
7
69
3

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)

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

Chance of Frost

Temperature (°C)

16
15
14
14
14
14
13
13
13
14
16
18
20
21
23
24
24
25
25
25
24
24
22
20

Feels Like (°C)

17
15
14
14
14
15
15
15
13
16
18
19
20
21
24
23
24
24
23
23
21
22
21
21

Dew Point (°C)

14
14
14
13
13
13
13
13
12
13
13
13
13
12
11
11
10
10
9
9
8
9
10
12

Relative Humidity (%)

89
93
95
95
96
96
95
96
96
92
83
73
62
53
48
43
40
37
35
35
36
39
44
59

Pressure (mb)

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

Ozone (du)

317
316
315
313
310
309
310
310
312
313
313
312
312
311
312
311
312
312
312
311
310
308
306
304

Thursday 17

Waning Gibbous 48%

00:18

15:16

22 Good
23 Good
00 Good
01 Good
02 Good
03 OK
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
21 OK

Sun - Rise: 05:41, Set: 21:49, Transit: 13:45. Moon - Rise: 00:18, Set: 15:16. Civil Dark: 22:35 - 04:57. Nautical Dark: 23:41 - 03:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

1
0
0
11
0
26
52
97
100
100
100
100
98
100
76
92
99
98
100
91
83
44
28
21

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
24
47
63
49
31
0
0
8
0
9
9
6
8
5
3
0
0
0

Medium Clouds (% Sky Obscured)

1
0
0
1
0
1
1
0
0
0
0
0
0
24
22
14
24
35
60
56
45
31
23
15

High Clouds (% Sky Obscured)

1
0
0
11
0
26
31
97
100
100
100
100
98
99
62
78
85
74
99
69
77
6
0
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
9
52
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
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)

5
4
4
3
3
3
3
2
3
3
3
2
2
3
3
4
4
4
5
6
5
5
6
5

Chance of Frost

Temperature (°C)

18
16
16
15
15
14
14
13
13
14
16
18
20
22
24
25
26
26
26
27
26
26
26
24

Feels Like (°C)

19
17
17
16
16
16
14
13
13
14
16
18
20
22
24
27
27
26
26
26
26
26
27
26

Dew Point (°C)

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

Relative Humidity (%)

72
79
83
80
80
79
78
76
75
69
61
53
49
47
46
44
43
41
41
43
43
43
47
57

Pressure (mb)

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

Ozone (du)

303
302
301
302
303
305
306
307
308
309
311
312
312
312
314
317
318
321
323
325
325
326
330
327

Friday 18

Third Quarter 36%

00:33

16:47

22 Good
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
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

Sun - Rise: 05:43, Set: 21:48, Transit: 13:45. Moon - Rise: 00:33, Set: 16:47. Civil Dark: 22:34 - 04:58. Nautical Dark: 23:39 - 03:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

11
41
32
32
28
29
25
41
59
81
87
94
100
100
100
100
100
100
100
100
100
100
98
75

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
12
24
37
39
41
42
29
16
3
19
39
58
61
54
56
38
17

Medium Clouds (% Sky Obscured)

7
4
3
4
5
5
7
41
58
66
76
86
96
97
98
98
95
92
90
78
30
14
52
19

High Clouds (% Sky Obscured)

3
41
32
32
28
9
9
19
34
49
64
80
96
96
96
96
97
99
100
100
100
100
98
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
4
8
9
9
9
9
5
7
7
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
Light Rain
None
Very Light Rain
None
None
None
Light Rain
Light Rain
None
None
None
None
None
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
1
4
9
36
59
36
44
20
43
55
80
71
65
47
49
41
43
50
44

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
0
0.2
0
0
0
0.6
0.4
0
0
0
0
0
0.2
0

Wind Speed/Direction (mph)

6
5
6
6
7
7
7
7
7
7
7
7
6
4
3
3
6
5
5
4
4
4
4
5

Chance of Frost

Temperature (°C)

22
20
20
19
18
18
18
18
18
18
19
20
21
22
22
22
22
22
21
21
21
21
20
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
70
71
72
75
76
74
74
73
76
88
91
92
89
88
88
95
94
96
91
88
88
86
91

Pressure (mb)

1011
1011
1010
1010
1010
1009
1009
1008
1008
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005

Ozone (du)

325
325
324
323
322
320
318
318
318
317
318
321
322
320
321
320
322
322
326
328
329
331
335
335

Saturday 19

Waning Crescent 25%

00:54

18:17

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
20 Bad
21 Bad

Sun - Rise: 05:44, Set: 21:47, Transit: 13:45. Moon - Rise: 00:54, Set: 18:17. Civil Dark: 22:32 - 05:00. Nautical Dark: 23:37 - 03:57. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

93
84
63
45
32
18
13
41
71
94
61
65
68
76
85
93
94
95
97
96
95
95
97
99

Low Clouds (% Sky Obscured)

0
12
25
37
28
18
13
31
47
47
53
58
61
57
51
45
33
23
13
14
17
20
27
30

Medium Clouds (% Sky Obscured)

17
13
10
35
17
18
13
41
65
61
57
58
64
55
52
55
51
40
33
28
23
14
18
26

High Clouds (% Sky Obscured)

93
67
33
0
0
0
5
29
58
87
3
13
22
23
24
24
45
66
87
89
90
95
95
95

ISS Passover

Visibility (miles)

9
9
9
9
9
7
7
9
9
9
4
6
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

23
21
17
14
50
40
43
24
39
45
48
39
28
24
20
14
10
7
0
0
1
1
2
4

Precipitation Amount (mm)

0
0
0
0
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)

5
5
5
5
4
5
5
5
6
6
9
9
11
12
13
13
14
12
11
10
8
6
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
17
17
17
16
16
16
16
17
17
17
17
16
16
14
12
10
9
9
8
9
9
10
10

Relative Humidity (%)

95
96
96
96
96
95
96
96
95
95
93
86
81
76
61
49
38
36
34
31
35
38
42
47

Pressure (mb)

1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005
1006
1007
1007
1007
1006
1006
1006
1006
1006
1005
1005
1005
1005

Ozone (du)

330
326
322
320
321
319
321
325
326
329
332
333
334
335
335
336
336
338
339
340
340
339
338
339

Sunday 20

Waning Crescent 15%

01:25

19:41

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
20 Bad
21 Bad

Sun - Rise: 05:45, Set: 21:46, Transit: 13:46. Moon - Rise: 01:25, Set: 19:41. Civil Dark: 22:31 - 05:02. Nautical Dark: 23:34 - 03:59. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
99
98
97
91
82
79
80
81
84
85
84
86
90
90
92
92
91
93
94
96
96
96
95

Low Clouds (% Sky Obscured)

41
31
20
6
9
12
14
32
51
71
68
65
62
60
58
57
52
48
41
39
42
46
36
20

Medium Clouds (% Sky Obscured)

27
31
36
45
40
38
43
58
68
78
54
28
2
13
26
38
46
50
52
46
44
38
33
25

High Clouds (% Sky Obscured)

97
96
94
93
90
82
79
80
81
84
85
84
86
90
90
92
89
90
91
92
96
95
91
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
8
8
9
9
9
9
8
7
6
5
6
8
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
4
5
4
19
25
30
53
67
77
70
61
55
51
45
45
40
35
32
29
24
16
23
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
5
5
6
8
8
8
8
8
8
9
9
9
10
11
12
13
13
12
12
11
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
58
63
67
73
76
78
79
81
79
79
77
73
71
67
65
61
57
55
51
55
59
63
69

Pressure (mb)

1005
1006
1006
1006
1006
1006
1005
1005
1005
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1008

Ozone (du)

340
341
342
342
343
345
347
348
348
347
347
347
347
347
346
344
343
342
342
341
342
342
343
342

Monday 21

Waning Crescent 8%

02:12

20:47

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: 05:47, Set: 21:44, Transit: 13:46. Moon - Rise: 02:12, Set: 20:47. Civil Dark: 22:29 - 05:03. Nautical Dark: 23:32 - 04:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
88
82
76
71
69
68
72
75
78
79
80
81
80
81
82

Low Clouds (% Sky Obscured)

1
25
49
72
69
69
67
70
72
78
77
74
72
70
68
66

Medium Clouds (% Sky Obscured)

23
17
11
5
5
4
3
2
1
0
5
10
16
18
18
22

High Clouds (% Sky Obscured)

91
65
44
25
18
9
1
8
15
22
21
14
15
12
9
8

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
23
27
20
19
15
4
7
9
6
18
32
38
27
24
18

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
7
7
7
8
8
8
8
9
9
11
12
14
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
81
82
83
85
86
87
89
85
81
76
67
57
49
47
45

Pressure (mb)

1008
1008
1009
1009
1009
1009
1009
1009
1010
1010
1011
1011
1011
1011
1012
1012

Ozone (du)

340
339
340
341
341
343
344
346
344
343
341
336
331
327
324
321

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

Generated: 15/07/25 21:20:01. Forecast: 15/07/25 to 21/07/25. Timezone: UTC+2.00