Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 24

Waxing Crescent 19%

11:47

21:13

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

Sun - Rise: 08:51, Set: 16:32, Transit: 12:41. Moon - Rise: 11:47, Set: 21:13. Civil Dark: 17:13 - 08:09. Nautical Dark: 17:57 - 07:25. Astro Dark: 18:39 - 06:44

Total Clouds (% Sky Obscured)

30
34
33
16
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

30
34
6
16
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
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 (%)

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)

19
18
18
18
18
18
18
18
18
18
19
19
18
19
19
19
19
19
18
18
19
18
18
18

Chance of Frost

Temperature (°C)

2
2
2
1
1
1
1
0
0
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-0
0
1
1

Feels Like (°C)

-3
-3
-4
-5
-5
-5
-5
-6
-6
-6
-7
-7
-7
-8
-8
-8
-8
-8
-8
-7
-7
-6
-6
-6

Dew Point (°C)

-3
-4
-4
-4
-5
-5
-6
-7
-8
-9
-9
-10
-11
-12
-12
-13
-13
-14
-14
-14
-14
-14
-14
-13

Relative Humidity (%)

66
68
69
69
65
64
60
58
55
53
51
48
46
44
42
42
41
38
37
35
34
34
34
35

Pressure (mb)

1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1032
1031
1031

Ozone (du)

356
356
360
364
363
361
362
363
366
366
364
363
363
362
359
356
355
353
349
348
346
345
341
340

Thursday 25

Waxing Crescent 28%

11:58

22:32

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

Sun - Rise: 08:51, Set: 16:32, Transit: 12:42. Moon - Rise: 11:58, Set: 22:32. Civil Dark: 17:14 - 08:10. Nautical Dark: 17:58 - 07:25. Astro Dark: 18:39 - 06:44

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
1
1
1
2
3
1
2
1
2

Low 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

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
2
1
2

High Clouds (% Sky Obscured)

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

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)

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

Chance of Frost

Temperature (°C)

0
0
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
1
2
2
2
2

Feels Like (°C)

-6
-6
-7
-7
-6
-7
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-5
-4
-3
-3
-2

Dew Point (°C)

-13
-13
-13
-13
-13
-13
-12
-12
-11
-11
-11
-10
-10
-11
-11
-11
-12
-12
-13
-13
-13
-13
-12
-11

Relative Humidity (%)

35
37
38
38
39
41
43
44
46
49
49
50
49
48
47
46
44
43
39
36
33
32
33
36

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1031
1031
1031
1032
1032
1031
1031
1032

Ozone (du)

339
337
336
334
332
327
323
321
318
314
310
306
304
304
304
304
304
304
305
304
304
303
303
302

Friday 26

Waxing Crescent 38%

12:09

23:52

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

Sun - Rise: 08:51, Set: 16:33, Transit: 12:42. Moon - Rise: 12:09, Set: 23:52. Civil Dark: 17:14 - 08:10. Nautical Dark: 17:58 - 07:26. Astro Dark: 18:40 - 06:44

Total Clouds (% Sky Obscured)

3
3
3
2
3
3
2
0
0
5
0
0
0
20
34
53
54
51
49
69
70
68
78
85

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
20
34
53
54
51
49
60
62
66
74
81

Medium Clouds (% Sky Obscured)

2
1
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
1
2
2
3
3
2
0
0
5
0
0
0
2
1
4
4
0
3
3
4
22
65
65

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
2
3
1
1
3
13

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

Chance of Frost

Temperature (°C)

2
1
1
1
1
0
0
0
1
1
1
1
1
1
1
2
2
2
3
4
5
5
6
5

Feels Like (°C)

-3
-4
-3
-3
-3
-3
-3
-3
-2
-2
-1
-1
-1
-0
0
1
1
1
2
2
2
2
2
0

Dew Point (°C)

-11
-10
-10
-9
-9
-8
-8
-7
-5
-4
-2
-1
0
0
0
1
1
2
2
3
3
3
4
3

Relative Humidity (%)

39
43
45
47
49
52
55
59
65
74
83
89
93
93
93
94
93
94
94
93
85
83
86
85

Pressure (mb)

1032
1032
1033
1033
1033
1034
1034
1034
1034
1034
1034
1035
1034
1034
1034
1034
1035
1035
1035
1035
1034
1034
1034
1033

Ozone (du)

301
301
300
301
300
300
298
297
297
297
297
296
295
294
292
292
293
293
292
292
290
288
287
288

Saturday 27

First Quarter 49%

12:20

01:14

16 Bad
17 Bad
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

Sun - Rise: 08:51, Set: 16:34, Transit: 12:43. Moon - Rise: 12:20, Set: 01:14. Civil Dark: 17:15 - 08:10. Nautical Dark: 17:59 - 07:26. Astro Dark: 18:41 - 06:44

Total Clouds (% Sky Obscured)

71
62
60
66
70
73
70
70
69
67
65
69
79
87
93
87
72
68
69
74
71
68
65
59

Low Clouds (% Sky Obscured)

71
62
60
66
70
73
70
70
62
60
58
68
79
87
93
87
72
68
69
74
71
68
65
59

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)

4
3
3
3
2
2
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 (%)

0
0
0
0
0
0
0
0
0
0
0
1
5
18
1
1
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
12
12
11
11
11
11
11
10
10
9
8
8
6
6
5
5
6
5
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
0
0
1
2
1
1
1
1
1
1
1
1
1
2
1
1
2
3
3
4
3

Dew Point (°C)

2
2
2
2
2
2
2
2
2
1
1
1
2
1
2
2
1
-0
-1
-2
-3
-3
-3
-2

Relative Humidity (%)

80
85
82
82
80
80
80
80
79
79
79
80
83
82
85
89
89
85
80
72
65
62
62
66

Pressure (mb)

1033
1034
1034
1034
1034
1034
1034
1034
1033
1033
1033
1033
1033
1033
1033
1033
1034
1034
1035
1035
1034
1034
1034
1033

Ozone (du)

292
292
291
291
289
287
286
290
294
293
291
290
291
293
291
288
286
285
286
287
288
287
287
284

Sunday 28

Waxing Gibbous 61%

12:34

02:39

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

Sun - Rise: 08:51, Set: 16:35, Transit: 12:43. Moon - Rise: 12:34, Set: 02:39. Civil Dark: 17:16 - 08:10. Nautical Dark: 18:00 - 07:26. Astro Dark: 18:42 - 06:44

Total Clouds (% Sky Obscured)

52
45
38
36
37
35
33
23
7
8
0
0
23
48
72
69
70
68
67
69
68
73
78
83

Low Clouds (% Sky Obscured)

52
45
38
36
37
35
26
13
2
4
0
0
23
47
72
69
70
68
67
69
68
72
73
80

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
0
0
0
0
0
0
0
0
0
1
4
6
6
8
11
9

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
3
7
11

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-1
0
1
1
1
1
2
2
2
2
2
3
2
3
3
3
4
4
3
4
4
4
3

Relative Humidity (%)

70
77
82
85
86
88
88
89
89
89
89
91
91
91
91
91
89
90
88
83
81
77
77
75

Pressure (mb)

1033
1033
1033
1032
1032
1032
1032
1032
1031
1031
1031
1030
1030
1030
1030
1029
1030
1030
1030
1030
1030
1029
1029
1029

Ozone (du)

280
277
276
274
274
275
275
276
277
278
277
277
277
278
279
279
279
279
278
279
280
281
281
282

Monday 29

Waxing Gibbous 72%

12:52

04:09

16 Bad
17 Bad
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

Sun - Rise: 08:51, Set: 16:36, Transit: 12:44. Moon - Rise: 12:52, Set: 04:09. Civil Dark: 17:17 - 08:10. Nautical Dark: 18:01 - 07:26. Astro Dark: 18:42 - 06:45

Total Clouds (% Sky Obscured)

89
94
100
99
99
98
96
94
92
81
67
60
68
77
87
88
89
90
91
92
93
96
98
100

Low Clouds (% Sky Obscured)

85
86
90
89
88
87
89
91
92
80
66
52
61
70
81
86
89
89
90
91
91
86
79
74

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
25
53
60

High Clouds (% Sky Obscured)

20
34
51
44
46
47
38
19
3
2
1
0
25
50
74
52
26
0
3
7
9
33
53
80

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 (%)

15
19
22
23
23
23
22
22
24
27
36
41
28
19
11
11
11
12
14
16
18
18
19
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
7
7
7
7
7
7
6
6
5
5
5
5
6
6
6
7
6
6

Feels Like (°C)

5
4
4
4
2
2
2
2
2
2
3
2
3
2
3
2
1
1
1
2
2
2
2
2

Dew Point (°C)

3
3
3
3
3
3
3
3
3
4
3
3
3
2
1
0
0
-0
-0
-0
0
0
0
0

Relative Humidity (%)

75
74
74
74
73
74
74
74
74
77
75
76
78
75
72
71
70
67
66
65
65
64
65
65

Pressure (mb)

1029
1029
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1031
1031
1031
1030
1030
1030

Ozone (du)

283
284
285
286
285
284
283
283
282
282
280
278
276
280
284
287
298
308
318
322
326
330
331
332

Tuesday 30

Waxing Gibbous 82%

13:18

05:43

16 Bad
17 Bad
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

Sun - Rise: 08:51, Set: 16:37, Transit: 12:44. Moon - Rise: 13:18, Set: 05:43. Civil Dark: 17:18 - 08:10. Nautical Dark: 18:02 - 07:26. Astro Dark: 18:43 - 06:45

Total Clouds (% Sky Obscured)

100
100
100
99
98
97
96
96
95
96
98
100
100
100
99
99
99
99
96
92
89

Low Clouds (% Sky Obscured)

83
91
100
99
98
97
89
80
70
56
42
23
43
65
91
88
86
84
81
77
73

Medium Clouds (% Sky Obscured)

48
39
24
28
31
37
37
40
43
52
60
68
66
60
49
49
44
38
39
45
51

High Clouds (% Sky Obscured)

64
32
1
0
0
0
2
6
9
39
65
94
72
47
23
16
10
3
6
5
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
8
9

Fog (%)

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

22
24
26
26
26
27
27
26
26
27
29
31
29
33
44
65
76
83
70
59
55

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
7
7
6
6
6
6
7
8
9
10
13
14
15
16
17
18
18
19
20

Chance of Frost

Temperature (°C)

6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
5
5
5

Feels Like (°C)

2
2
1
1
1
1
1
1
1
1
1
1
0
0
1
1
0
-1
-1
-1
-1

Dew Point (°C)

1
0
0
0
0
-0
-0
-0
0
0
0
1
1
2
2
3
2
1
0
-1
-3

Relative Humidity (%)

66
66
66
67
66
65
65
65
66
66
67
70
71
72
74
76
74
71
70
65
58

Pressure (mb)

1030
1029
1029
1028
1028
1027
1027
1026
1025
1025
1024
1023
1022
1021
1020
1019
1018
1018
1018
1017
1016

Ozone (du)

333
336
339
341
342
343
343
345
347
349
349
349
349
350
351
351
358
364
370
383
396

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

Generated: 24/12/25 15:40:01. Forecast: 24/12/25 to 30/12/25. Timezone: UTC+1.00