Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 16

Waning Gibbous 60%

00:01

13:46

18 Bad
19 Bad
20 OK
21 Good
22 Good
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: 05:33, Set: 21:53, Transit: 13:42. Moon - Rise: 00:01, Set: 13:46. Civil Dark: 22:40 - 04:46. Nautical Dark: 23:51 - 03:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

43
44
36
3
0
26
32
45
76
77
77
76
86
93
88
99
100
96
82
95
96
85
85
58

Low Clouds (% Sky Obscured)

43
44
30
3
0
24
28
39
72
70
70
75
81
84
78
97
99
89
63
72
90
74
69
57

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
11
23
12
14
12
5
18
30
18
15
20
24
15
19
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
0
1
2
1
0
0
0
1
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 (%)

5
1
0
0
0
0
0
0
1
2
3
3
4
4
4
6
11
10
9
3
2
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
56
60
71
86
92
93
92
90
90
92
92
92
86
79
77
76
75
66
58
59
64
61
57

Pressure (mb)

1012
1012
1013
1014
1015
1015
1016
1016
1016
1016
1015
1016
1016
1016
1016
1016
1017
1017
1017
1017
1016
1016
1016
1016

Ozone (du)

349
343
340
337
336
334
330
327
328
327
324
321
320
319
318
316
316
317
316
313
310
309
309
310

Thursday 17

Waning Gibbous 48%

00:12

15:15

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: 05:34, Set: 21:52, Transit: 13:42. Moon - Rise: 00:12, Set: 15:15. Civil Dark: 22:38 - 04:48. Nautical Dark: 23:48 - 03:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

46
46
57
80
100
100
100
77
47
64
94
100
82
80
92
98
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

46
46
33
27
44
57
31
18
33
38
38
46
36
21
28
37
42
41
59
59
45
56
35
58

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
0
2
43
50
43
33
14
1
0
44
19
31
7
0
0

High Clouds (% Sky Obscured)

1
2
34
70
100
100
100
75
17
35
83
100
39
53
71
84
85
100
100
100
100
100
100
100

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
11
9
7
5
5
4
4
3
3
3
2
2
2
2
2
2
2
1
2
2
2
2
4

Chance of Frost

Temperature (°C)

21
21
20
18
16
16
15
15
15
14
14
14
14
15
16
18
20
21
22
24
25
26
26
26

Feels Like (°C)

20
20
20
17
16
15
15
15
15
16
15
13
14
15
17
19
20
21
23
24
25
26
26
26

Dew Point (°C)

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

Relative Humidity (%)

58
61
67
76
90
93
95
93
93
93
93
93
92
89
82
73
65
57
52
46
42
38
37
38

Pressure (mb)

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

Ozone (du)

310
308
308
309
311
310
310
309
307
305
306
306
307
307
307
307
308
308
308
308
308
311
313
315

Friday 18

Third Quarter 36%

00:27

16:48

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: 05:35, Set: 21:50, Transit: 13:42. Moon - Rise: 00:27, Set: 16:48. Civil Dark: 22:37 - 04:49. Nautical Dark: 23:46 - 03:41. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
92
70
90
55
49
53
50
49
58
72
68
80
69
98
100
98
82
88
88
99
100

Low Clouds (% Sky Obscured)

59
38
25
6
0
21
30
32
31
33
36
41
46
40
36
25
36
25
39
31
23
15
8
7

Medium Clouds (% Sky Obscured)

56
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
2
2
2
3
11
17
23
36

High Clouds (% Sky Obscured)

100
100
100
92
70
82
25
15
15
13
24
15
30
31
60
62
97
100
94
69
79
81
98
100

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
5

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
7
9
8
7
7
8
6
6
6
7
7
7
7
8
11
11
12
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

25
25
23
21
18
17
17
16
16
16
16
16
16
17
19
21
22
24
25
26
27
28
28
29

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
48
57
68
81
86
87
92
93
96
95
95
96
92
82
69
60
54
48
43
42
40
38
37

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1011
1011
1011
1010
1010
1010
1009
1009
1008
1007
1007
1006
1005
1005

Ozone (du)

318
322
321
323
322
318
317
317
317
314
311
311
311
312
312
313
311
312
313
313
314
315
315
315

Saturday 19

Waning Crescent 25%

00:46

No Set

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: 05:37, Set: 21:49, Transit: 13:42. Moon - Rise: 00:46, Set: No Set. Civil Dark: 22:35 - 04:51. Nautical Dark: 23:43 - 03:44. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
67
69
67
93
96
100
90
61
46
76
91
100
100
100
100
91

Low Clouds (% Sky Obscured)

26
25
27
35
42
41
44
33
43
54
66
69
59
52
47
47
44
45
48
69
58
49
29
23

Medium Clouds (% Sky Obscured)

88
98
99
99
100
100
100
92
27
16
8
6
4
65
42
5
4
12
60
92
95
60
25
30

High Clouds (% Sky Obscured)

100
100
100
100
99
99
100
95
53
30
1
43
72
100
68
33
0
33
67
100
99
97
97
89

ISS Passover

Visibility (miles)

9
4
5
9
5
5
4
9
9
9
9
9
9
9
9
9
9
9
9
9
2
4
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
Moderate Rain
Light Rain
None
None
None

Precipitation Probability (%)

42
55
51
44
63
64
63
60
61
63
41
31
25
12
12
8
4
13
49
95
95
53
41
39

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.5
0.3
0.3
0.4
0
0
0
0
0
0
0
0
0
2.7
0.9
0
0
0

Wind Speed/Direction (mph)

13
10
6
5
6
7
6
5
5
6
6
6
7
7
7
7
8
8
8
10
6
7
6
5

Chance of Frost

Temperature (°C)

27
23
22
22
21
20
19
19
18
18
17
17
17
17
18
19
21
22
23
24
22
22
21
21

Feels Like (°C)

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

Dew Point (°C)

14
19
21
20
20
19
19
19
18
17
16
17
16
16
16
15
13
10
10
11
21
21
20
17

Relative Humidity (%)

42
77
89
92
93
95
96
96
95
96
96
100
96
93
89
80
62
47
43
44
98
94
92
79

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

316
316
319
321
324
327
331
334
338
334
331
332
330
328
331
334
335
333
331
328
328
336
338
342

Sunday 20

Waning Crescent 15%

01:16

18:20

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: 05:38, Set: 21:48, Transit: 13:42. Moon - Rise: 01:16, Set: 18:20. Civil Dark: 22:34 - 04:53. Nautical Dark: 23:41 - 03:46. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
85
100
85
79
79
82
100
100
100
100
100
100
100
100
97
92
86
89
93
98
99

Low Clouds (% Sky Obscured)

10
0
6
11
17
30
43
57
55
70
73
57
44
22
80
81
85
72
58
42
49
57
65
51

Medium Clouds (% Sky Obscured)

21
21
34
39
48
50
56
69
70
98
100
67
85
59
41
19
20
23
21
27
25
18
5
8

High Clouds (% Sky Obscured)

99
100
99
82
96
60
35
8
37
71
100
90
100
100
94
88
77
72
68
63
62
56
61
75

ISS Passover

Visibility (miles)

9
7
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
3
4
5

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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

46
67
88
63
29
17
11
5
12
20
33
43
40
30
95
95
95
95
95
95
82
85
90
83

Precipitation Amount (mm)

0
0.4
0.8
0.4
0
0
0
0
0
0
0
0
0
0
2.6
2.5
1.8
1.6
1
0.6
0.4
0.5
0.6
0.5

Wind Speed/Direction (mph)

4
4
5
6
5
5
6
6
6
6
6
6
6
7
7
8
10
10
11
13
14
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
74
85
88
90
93
95
93
95
95
96
95
96
98
93
85
77
70
73
75
77
81
82
85

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005

Ozone (du)

339
338
344
358
344
350
351
348
350
349
351
357
353
354
355
356
357
358
357
356
355
355
355
355

Monday 21

Waning Crescent 8%

02:02

19:44

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: 05:40, Set: 21:46, Transit: 13:42. Moon - Rise: 02:02, Set: 19:44. Civil Dark: 22:32 - 04:54. Nautical Dark: 23:38 - 03:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
100
83
62
39
46
56
65
60
48
48
61
74
85
82
78
76
78
81
84
87
90
89
92

Low Clouds (% Sky Obscured)

36
23
21
20
17
26
35
42
45
43
41
54
68
81
71
60
50
57
66
72
65
58
52
51

Medium Clouds (% Sky Obscured)

13
17
17
20
23
32
40
47
48
48
48
53
53
44
53
58
70
64
58
52
44
36
33
42

High Clouds (% Sky Obscured)

88
100
83
62
39
34
20
15
12
8
5
10
10
15
25
25
10
9
4
4
34
65
89
92

ISS Passover

Visibility (miles)

5
6
7
8
8
9
7
5
3
5
7
9
8
7
6
6
5
5
6
6
7
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

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

Precipitation Probability (%)

71
59
46
33
34
35
41
58
61
60
66
68
60
42
50
55
58
59
59
57
66
71
75
70

Precipitation Amount (mm)

0.4
0.2
0
0
0
0
0
0.3
0.3
0.2
0.3
0.3
0.2
0
0
0.2
0.2
0.2
0.2
0
0.3
0.4
0.5
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
89
92
96
96
96
96
98
96
98
96
95
93
92
90
88
80
71
65
63
59
56

Pressure (mb)

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

Ozone (du)

353
351
350
349
349
348
347
347
346
346
346
346
347
348
349
351
352
354
356
357
359
358
358
358

Tuesday 22

Waning Crescent 3%

03:07

20:51

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: 05:41, Set: 21:45, Transit: 13:42. Moon - Rise: 03:07, Set: 20:51. Civil Dark: 22:30 - 04:56. Nautical Dark: 23:36 - 03:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
92
83
74
74
68
71
73
78
84
89
91
93
96
91
91
88
87
87
85

Low Clouds (% Sky Obscured)

53
52
52
50
43
49
54
54
55
59
63
56
50
46
54
67
75
77
78
80

Medium Clouds (% Sky Obscured)

53
62
46
30
11
7
4
1
2
2
2
6
10
12
18
22
25
22
21
17

High Clouds (% Sky Obscured)

92
92
83
74
64
60
56
52
67
82
89
91
88
86
70
60
54
39
28
16

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

Precipitation Probability (%)

67
54
43
32
12
24
25
13
17
15
5
36
54
14
45
58
67
62
56
56

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
61
64
73
83
92
95
95
96
96
95
95
93
90
87
79
71
65
61
58

Pressure (mb)

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

Ozone (du)

358
358
358
354
350
347
347
347
346
346
346
346
344
343
342
343
344
346
347
348

Forecast for Heerenveen, Gemeente Heerenveen, Netherlands (52.96,5.92)

Generated: 16/07/25 17:25:49. Forecast: 16/07/25 to 22/07/25. Timezone: UTC+2.00