Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 10

Waning Crescent 0%

07:27

19:57

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 OK

Sun - Rise: 07:10, Set: 20:08, Transit: 13:38. Moon - Rise: 07:27, Set: 19:57. Civil Dark: 20:42 - 06:35. Nautical Dark: 21:24 - 05:53. Astro Dark: 22:09 - 05:09

Total Clouds (% Sky Obscured)

96
97
92
100
100
100
100
100
100
100
98
99
99
66
54
53
53
96
56
63
45
64
63
28

Low Clouds (% Sky Obscured)

12
29
41
54
17
17
43
47
95
90
98
99
97
62
47
38
35
81
40
45
45
37
29
24

Medium Clouds (% Sky Obscured)

22
28
19
17
16
28
29
80
100
100
97
95
53
0
2
23
20
17
14
13
0
0
0
0

High Clouds (% Sky Obscured)

96
20
92
100
100
100
100
100
100
100
18
0
0
0
0
0
3
52
9
20
4
35
32
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
3
6
2
7
9
9
9
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

1
1
0
5
2
1
4
32
67
82
95
95
80
49
41
42
63
59
40
42
34
8
7
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
0.5
0.9
0.8
0.9
0.3
0
0
0.4
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
16
16
15
15
15
15
15
15
15
15
15
14
15
16
18
19
18
18
19
19
18
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
73
73
73
71
73
75
78
79
80
85
93
95
93
87
81
77
77
81
76
73
75
75
79

Pressure (mb)

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

Ozone (du)

317
317
315
314
313
312
312
314
316
317
320
324
326
329
327
327
325
322
321
316
314
315
318
320

Friday 11

New Moon 2%

08:48

19:57

20 OK
21 Bad
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
18 Bad
19 Bad

Sun - Rise: 07:11, Set: 20:05, Transit: 13:37. Moon - Rise: 08:48, Set: 19:57. Civil Dark: 20:40 - 06:37. Nautical Dark: 21:22 - 05:55. Astro Dark: 22:06 - 05:11

Total Clouds (% Sky Obscured)

39
56
26
19
23
58
65
83
84
87
53
35
98
96
95
93
94
98
84
88
97
97
99
100

Low Clouds (% Sky Obscured)

37
27
19
19
20
28
31
44
19
16
15
0
33
33
35
38
38
35
23
20
71
63
89
72

Medium Clouds (% Sky Obscured)

0
2
2
1
1
2
5
0
0
3
3
3
15
13
57
88
77
95
34
19
16
27
91
100

High Clouds (% Sky Obscured)

1
17
2
0
1
15
13
25
67
69
27
23
77
78
62
58
62
61
77
85
17
58
53
93

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
1
3
9
27
48
20
2
2
0
1
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
8
0
0
0
3
0
11
15
7
8
5
11
21
25
16
8
10
7
3
1
0
4
45

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)

7
6
5
4
4
1
2
3
3
5
6
6
7
9
10
12
14
17
16
17
17
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
87
87
89
87
87
87
87
90
90
92
92
86
79
76
72
69
66
65
66
72
73
77

Pressure (mb)

1021
1022
1022
1022
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020

Ozone (du)

319
319
317
317
315
315
313
312
310
307
307
305
302
299
297
295
294
294
296
296
297
298
298
299

Saturday 12

Waxing Crescent 7%

10:09

20:08

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: 07:13, Set: 20:03, Transit: 13:37. Moon - Rise: 10:09, Set: 20:08. Civil Dark: 20:38 - 06:39. Nautical Dark: 21:19 - 05:57. Astro Dark: 22:04 - 05:13

Total Clouds (% Sky Obscured)

99
100
98
100
100
100
100
100
100
100
100
98
100
99
100
66
67
48
49
54
90
56
53
47

Low Clouds (% Sky Obscured)

83
70
84
95
87
98
87
100
76
74
75
61
79
47
47
47
42
39
42
45
81
48
48
45

Medium Clouds (% Sky Obscured)

81
100
98
99
100
34
90
91
75
75
100
98
90
94
27
18
49
4
4
5
6
4
2
0

High Clouds (% Sky Obscured)

57
21
22
77
100
100
100
97
100
100
100
52
100
91
98
5
1
0
0
0
0
1
0
1

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

58
60
63
80
87
52
62
82
54
49
54
49
57
53
42
36
40
29
35
48
37
36
36
25

Precipitation Amount (mm)

0.2
0.3
0.3
0.4
0.6
0
0.2
0.5
0
0
0
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
18
18
18
18
19
19
19
19
19
18
18
18
18
19
19
20
20
20
20
19
19
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
81
81
83
86
92
93
93
96
95
95
93
95
95
90
85
81
76
74
74
71
70
72
82

Pressure (mb)

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

Ozone (du)

301
304
306
304
302
301
301
301
301
301
300
300
301
304
306
307
305
303
309
311
311
309
307
305

Sunday 13

Waxing Crescent 13%

11:28

20:20

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 OK
16 Good
17 OK
18 OK
19 OK

Sun - Rise: 07:15, Set: 19:58, Transit: 13:36. Moon - Rise: 11:28, Set: 20:20. Civil Dark: 20:35 - 06:40. Nautical Dark: 21:16 - 05:59. Astro Dark: 22:01 - 05:15

Total Clouds (% Sky Obscured)

41
43
77
84
92
99
98
96
94
94
94
95
78
72
77
57
56
53
58
19
4
17
32
40

Low Clouds (% Sky Obscured)

40
37
37
39
47
74
77
72
64
67
65
41
29
28
26
27
32
29
21
11
0
3
5
7

Medium Clouds (% Sky Obscured)

0
0
0
1
2
2
2
3
4
8
23
93
9
9
11
17
15
16
12
8
4
8
16
14

High Clouds (% Sky Obscured)

2
5
49
62
78
96
79
61
43
54
65
78
53
42
36
17
10
1
15
1
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 (%)

18
15
1
11
9
18
17
8
3
12
4
3
7
1
3
2
2
2
7
2
0
2
1
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)

7
6
5
5
5
5
4
4
4
4
4
4
3
2
2
4
6
7
8
8
8
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
92
93
95
95
93
90
86
83
83
83
83
79
72
66
62
63
62
63
64
67
69
76

Pressure (mb)

1021
1021
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022

Ozone (du)

302
301
301
300
299
297
296
294
293
293
293
293
291
287
284
283
283
284
284
284
284
285
287
288

Monday 14

Waxing Crescent 21%

12:47

20:34

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

Sun - Rise: 07:16, Set: 19:56, Transit: 13:36. Moon - Rise: 12:47, Set: 20:34. Civil Dark: 20:33 - 06:42. Nautical Dark: 21:14 - 06:01. Astro Dark: 21:58 - 05:17

Total Clouds (% Sky Obscured)

35
35
32
33
31
27
47
61
99
90
100
100
100
100
100
92
86
81
74
67
60
61
62
63

Low Clouds (% Sky Obscured)

14
20
27
20
15
7
4
2
0
0
0
0
45
46
56
44
30
24
24
24
18
18
18
16

Medium Clouds (% Sky Obscured)

7
4
2
8
11
12
15
17
80
34
20
73
71
74
78
83
86
81
74
67
60
59
54
49

High Clouds (% Sky Obscured)

0
0
0
0
0
0
30
60
90
90
100
100
100
100
100
83
77
75
50
25
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
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
83
67
46
33
20
6
5
4
2
9
15
14

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
18
17
17
17
17
17
17
17
17
17
18
18
19
19
19
20
20
20
21
20
19

Feels Like (°C)

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

Dew Point (°C)

16
16
16
15
14
14
14
14
14
14
15
15
14
14
13
12
12
11
11
11
11
11
11
12

Relative Humidity (%)

85
86
85
82
81
79
81
82
82
85
87
87
85
77
71
64
61
57
56
54
53
52
57
61

Pressure (mb)

1022
1022
1021
1021
1020
1020
1020
1019
1018
1018
1017
1017
1016
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1012

Ozone (du)

288
286
284
285
285
284
285
291
292
285
282
281
283
283
283
283
283
284
284
287
289
292
294
296

Tuesday 15

Waxing Crescent 30%

14:03

20:52

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: 07:18, Set: 19:54, Transit: 13:36. Moon - Rise: 14:03, Set: 20:52. Civil Dark: 20:30 - 06:44. Nautical Dark: 21:11 - 06:03. Astro Dark: 21:55 - 05:19

Total Clouds (% Sky Obscured)

70
78
87
88
89
90
87
85
83
69
57
46
56
67
76
80
84
88
87
86
85
81
78
73

Low Clouds (% Sky Obscured)

27
40
52
62
72
81
78
75
72
61
49
37
47
56
66
68
70
72
74
78
82
79
76
71

Medium Clouds (% Sky Obscured)

61
73
85
86
87
88
60
31
6
6
6
8
8
9
9
17
26
37
35
33
31
22
12
2

High Clouds (% Sky Obscured)

0
0
1
1
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
8
6
4
4
4
5
6
8
9
9
8
8
8
9
9
8
7
6
7
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

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

Precipitation Probability (%)

39
57
72
95
95
95
95
92
71
63
56
61
52
42
39
55
69
76
73
73
75
61
49
38

Precipitation Amount (mm)

0
0.3
0.4
0.6
1.1
2.1
1.2
0.6
0.5
0.3
0.2
0.4
0.2
0
0
0.2
0.4
0.4
0.4
0.4
0.5
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
74
81
87
92
93
96
93
90
87
87
86
85
83
82
79
79
78
77
78
78
79
79
79

Pressure (mb)

1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1014
1015
1015
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

299
298
297
296
299
302
305
310
315
320
321
321
322
323
324
325
324
324
324
325
326
327
328
328

Wednesday 16

Waxing Crescent 39%

15:14

21:16

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: 07:20, Set: 19:51, Transit: 13:35. Moon - Rise: 15:14, Set: 21:16. Civil Dark: 20:28 - 06:45. Nautical Dark: 21:09 - 06:05. Astro Dark: 21:52 - 05:22

Total Clouds (% Sky Obscured)

79
84
88
72
62
54
64
70
71
77
83
89
91
92
90
93
96
100

Low Clouds (% Sky Obscured)

77
82
85
64
44
29
35
39
43
53
65
77
76
76
77
66
56
48

Medium Clouds (% Sky Obscured)

6
6
8
7
8
7
8
9
10
12
14
19
24
29
35
32
29
27

High Clouds (% Sky Obscured)

0
0
0
20
41
54
55
44
34
29
23
18
12
7
6
21
43
60

ISS Passover

Visibility (miles)

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

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 (%)

25
20
23
22
16
10
14
8
3
14
26
38
38
37
41
43
40
34

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)

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

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
14
14
14
14
14
14
15
15
16
16
16

Feels Like (°C)

13
11
12
12
12
12
13
12
12
12
12
12
12
13
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

79
78
76
75
74
74
72
75
75
76
79
82
84
83
80
79
77
72

Pressure (mb)

1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

329
325
321
317
315
313
312
311
310
309
309
309
310
310
310
310
309
309

Forecast for Overveen, Gemeente Bloemendaal, Netherlands (52.39,4.61)

Generated: 10/09/26 20:41:21. Forecast: 10/09/26 to 16/09/26. Timezone: UTC+2.00