Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 24

Waxing Crescent 19%

11:43

21:16

15 Good
16 Good
17 Good
18 Bad
19 OK
20 OK
21 OK
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

Sun - Rise: 08:41, Set: 16:39, Transit: 12:40. Moon - Rise: 11:43, Set: 21:16. Civil Dark: 17:18 - 08:02. Nautical Dark: 18:00 - 07:20. Astro Dark: 18:40 - 06:40

Total Clouds (% Sky Obscured)

9
11
9
48
27
14
29
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

9
8
9
48
27
14
27
12
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)

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

Chance of Frost

Temperature (°C)

1
1
-0
-1
-1
-1
-2
-2
-3
-3
-3
-4
-4
-4
-4
-4
-5
-5
-5
-5
-4
-3
-2
-1

Feels Like (°C)

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

Dew Point (°C)

-5
-5
-6
-7
-7
-8
-10
-11
-13
-14
-15
-15
-16
-16
-15
-15
-14
-14
-14
-14
-14
-13
-12
-11

Relative Humidity (%)

64
65
66
65
63
60
54
49
44
41
40
39
38
39
42
43
46
47
48
47
45
44
44
45

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1027
1027
1026

Ozone (du)

376
379
377
371
370
373
375
379
382
384
383
379
375
372
373
372
372
371
369
367
363
363
363
362

Thursday 25

Waxing Crescent 28%

11:56

22:33

15 Good
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

Sun - Rise: 08:41, Set: 16:39, Transit: 12:41. Moon - Rise: 11:56, Set: 22:33. Civil Dark: 17:19 - 08:02. Nautical Dark: 18:01 - 07:20. Astro Dark: 18:41 - 06:40

Total Clouds (% Sky Obscured)

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

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
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
1
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
49
52
53
55
57
59
60
62
64
65
65
67
68
69
71
73
75
76
69
61
57
56
57

Pressure (mb)

1026
1026
1026
1026
1026
1027
1026
1027
1027
1027
1026
1026
1027
1026
1026
1026
1026
1026
1027
1027
1028
1027
1027
1027

Ozone (du)

365
364
362
358
355
352
351
351
351
349
348
346
340
335
331
328
326
323
321
319
317
315
314
314

Friday 26

Waxing Crescent 38%

12:08

23:51

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

Sun - Rise: 08:42, Set: 16:40, Transit: 12:41. Moon - Rise: 12:08, Set: 23:51. Civil Dark: 17:19 - 08:03. Nautical Dark: 18:02 - 07:20. Astro Dark: 18:42 - 06:40

Total Clouds (% Sky Obscured)

10
4
5
1
0
29
38
11
14
34
43
45
25
0
6
1
0
0
0
0
1
1
0
0

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)

10
4
2
1
0
0
0
0
0
19
20
16
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

10
4
5
1
0
24
35
10
11
2
0
1
21
0
6
1
0
0
0
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-4
-4
-5
-3
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-5
-4
-4
-4
-4
-2
-1
0
0

Dew Point (°C)

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

Relative Humidity (%)

59
65
73
75
77
74
66
60
53
50
48
47
46
46
47
50
53
57
63
66
65
63
64
68

Pressure (mb)

1027
1028
1028
1029
1029
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1032
1032
1033
1033
1033
1033
1032
1032

Ozone (du)

312
309
307
306
308
309
308
308
306
306
305
304
304
303
302
300
299
298
298
298
299
299
298
297

Saturday 27

First Quarter 49%

12:21

01:11

15 Good
16 OK
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 OK
12 OK
13 OK
14 Good

Sun - Rise: 08:42, Set: 16:41, Transit: 12:42. Moon - Rise: 12:21, Set: 01:11. Civil Dark: 17:20 - 08:03. Nautical Dark: 18:02 - 07:20. Astro Dark: 18:42 - 06:40

Total Clouds (% Sky Obscured)

1
31
61
93
100
100
100
95
94
94
94
100
100
100
100
100
76
71
59
50
38
30
20
10

Low Clouds (% Sky Obscured)

0
31
60
92
100
100
100
95
94
94
94
100
100
100
100
100
76
71
59
50
38
30
20
10

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)

1
2
2
2
1
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
1
7
9
9
9
8
8
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
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-0
-0
-0
-0
1
1
0
0
1
1
0
0
0
1
1
1
-1
-1
-1
-1
-3
-5
-5

Relative Humidity (%)

76
88
91
94
98
100
96
93
94
98
98
98
93
89
91
94
94
92
94
92
81
64
53
49

Pressure (mb)

1032
1032
1032
1032
1033
1033
1033
1033
1033
1033
1032
1032
1032
1032
1032
1032
1032
1033
1033
1034
1034
1034
1033
1033

Ozone (du)

297
298
296
294
293
291
290
292
295
296
295
293
293
294
296
294
292
290
289
288
287
287
286
284

Sunday 28

Waxing Gibbous 61%

12:37

02:34

15 Good
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 OK
11 OK
12 OK
13 OK
14 OK

Sun - Rise: 08:42, Set: 16:42, Transit: 12:42. Moon - Rise: 12:37, Set: 02:34. Civil Dark: 17:21 - 08:03. Nautical Dark: 18:03 - 07:21. Astro Dark: 18:43 - 06:41

Total Clouds (% Sky Obscured)

2
3
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
11
21
32
42
47

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
11
20
29
34
42

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
1
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-5
-5
-5
-6
-6
-7
-7
-7
-8
-8
-8
-8
-8
-7
-6
-5
-4
-3
-1
-0
1
2
2

Relative Humidity (%)

52
57
65
66
66
66
65
63
62
61
61
61
60
60
64
71
77
81
86
91
89
86
85
86

Pressure (mb)

1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1032
1032
1032
1032
1031
1031
1031
1032
1032
1031
1031
1031
1031

Ozone (du)

283
283
283
283
282
282
283
282
281
281
281
282
282
283
283
284
285
284
283
283
284
286
287
285

Monday 29

Waxing Gibbous 72%

12:58

04:02

15 Bad
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

Sun - Rise: 08:42, Set: 16:43, Transit: 12:43. Moon - Rise: 12:58, Set: 04:02. Civil Dark: 17:22 - 08:03. Nautical Dark: 18:04 - 07:21. Astro Dark: 18:44 - 06:41

Total Clouds (% Sky Obscured)

52
59
66
72
74
76
79
75
71
69
76
87
100
100
100
100
100
100
100
94
87
80
83
86

Low Clouds (% Sky Obscured)

49
54
60
66
70
75
79
75
71
69
76
87
100
100
100
100
100
100
100
94
87
80
83
86

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)

3
3
3
4
3
1
0
1
3
4
4
4
4
9
15
21
18
13
6
14
23
34
26
11

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
6
9
11
11
9
4
9
10
11
10
8
4
11
14
15
17
16

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
94
96
96
96
94
94
94
91
89
88
88
88
86
86
83
80
80
80
80
77
75
73
72

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1030
1030
1030
1030
1030
1030
1029

Ozone (du)

284
282
283
285
286
290
295
299
298
298
298
297
296
296
290
284
278
276
275
273
275
276
278
287

Tuesday 30

Waxing Gibbous 82%

13:27

05:33

15 Bad
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

Sun - Rise: 08:42, Set: 16:44, Transit: 12:43. Moon - Rise: 13:27, Set: 05:33. Civil Dark: 17:23 - 08:03. Nautical Dark: 18:05 - 07:21. Astro Dark: 18:45 - 06:41

Total Clouds (% Sky Obscured)

89
90
91
92
93
95
98
97
97
97
96
96
96
97
98
100

Low Clouds (% Sky Obscured)

88
89
90
92
90
92
91
93
93
94
92
90
88
87
86
85

Medium Clouds (% Sky Obscured)

0
0
0
0
4
9
13
19
24
33
47
58
68
78
82
77

High Clouds (% Sky Obscured)

3
2
1
0
14
28
41
51
64
75
94
96
96
97
98
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8

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 (%)

15
13
10
5
11
14
18
20
19
18
16
15
13
13
14
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
68
68
66
70
76
81
81
83
83
83
83
83
84
86

Pressure (mb)

1029
1029
1029
1029
1028
1028
1028
1028
1027
1026
1025
1025
1024
1023
1022
1021

Ozone (du)

296
306
315
324
334
335
336
337
339
341
343
343
343
344
347
350

Forecast for Elst, Flemish Brabant, Kingdom of Belgium (50.77,4.89)

Generated: 24/12/25 14:37:17. Forecast: 24/12/25 to 30/12/25. Timezone: UTC+1.00