Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Crescent 34%

13:06

22:09

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
22 Bad

Sun - Rise: 08:14, Set: 16:41, Transit: 12:27. Moon - Rise: 13:06, Set: 22:09. Civil Dark: 17:19 - 07:36. Nautical Dark: 18:00 - 06:55. Astro Dark: 18:39 - 06:16

Total Clouds (% Sky Obscured)

86
88
88
93
93
100
100
100
100
98
72
70
72
60
57
58
72
75
71
63
54
82
82
100

Low Clouds (% Sky Obscured)

86
85
82
86
92
100
100
100
100
98
71
70
72
60
57
58
72
75
71
63
52
75
72
55

Medium Clouds (% Sky Obscured)

13
26
24
26
0
0
24
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
60

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
30
54
61
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
43
98
41
27
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
1
1
11
9
4
5
1
0
0
0
2
2
2
3
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
6
7
7
8
7
7
5
4
5
5
4
3
3
3
3
2
2
3
4
5
6

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
4
4
3
3
3
4
4
5
5
5
5
5
5
4
3
3
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
93
93
93
94
96
98
98
98
98
94
86
76
72
68
68
76
82
83
85
86
89
88

Pressure (mb)

1014
1014
1015
1015
1016
1016
1017
1017
1018
1019
1020
1021
1021
1021
1021
1021
1021
1022
1022
1023
1023
1023
1023
1023

Ozone (du)

303
307
310
311
311
308
306
301
297
296
296
300
302
302
301
298
297
296
294
295
294
290
288
286

Wednesday 26

Waxing Crescent 44%

13:23

No Set

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
22 Bad

Sun - Rise: 08:15, Set: 16:40, Transit: 12:28. Moon - Rise: 13:23, Set: No Set. Civil Dark: 17:18 - 07:38. Nautical Dark: 17:59 - 06:56. Astro Dark: 18:39 - 06:17

Total Clouds (% Sky Obscured)

100
91
89
78
97
90
92
96
100
100
100
100
100
100
95
100
100
99
99
99
97
98
98
100

Low Clouds (% Sky Obscured)

56
51
45
30
23
28
37
54
71
77
89
99
100
100
94
100
100
92
77
76
74
90
95
92

Medium Clouds (% Sky Obscured)

60
49
80
54
90
81
60
76
94
78
48
48
37
31
24
25
22
31
40
49
46
48
57
68

High Clouds (% Sky Obscured)

52
30
30
12
43
31
46
91
63
100
100
45
13
13
0
15
11
29
27
16
21
31
43
34

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
2
27
44
41
22
27
16
27
17
5
2
2
10
2
1
4
35

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
89
89
89
88
86
86
86
85
82
79
75
72
70
70
70
72
76
78
78
80
82
85

Pressure (mb)

1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1019
1020
1020
1020
1020
1020
1020

Ozone (du)

283
284
283
283
282
281
280
278
277
276
275
275
273
272
272
270
269
269
268
267
265
264
264
264

Thursday 27

Waxing Crescent 55%

13:37

23:27

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
22 Bad

Sun - Rise: 08:17, Set: 16:40, Transit: 12:28. Moon - Rise: 13:37, Set: 23:27. Civil Dark: 17:17 - 07:39. Nautical Dark: 17:59 - 06:58. Astro Dark: 18:38 - 06:18

Total Clouds (% Sky Obscured)

99
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
88

Low Clouds (% Sky Obscured)

91
95
89
82
84
82
96
99
93
81
82
82
84
93
91
96
88
80
81
84
90
95
100
86

Medium Clouds (% Sky Obscured)

67
68
70
90
95
95
94
100
97
96
91
72
81
95
40
96
100
100
100
100
100
75
73
20

High Clouds (% Sky Obscured)

42
91
59
19
20
10
7
93
100
100
100
100
100
97
94
100
100
100
100
100
72
47
25
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
6
9
7
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

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

Precipitation Probability (%)

46
32
15
12
40
55
74
53
68
63
60
64
55
28
19
30
31
24
37
52
36
39
40
41

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
90
90
88
88
88
88
90
88
90
90
88
90
91
91
90
90
91
93
95
93
93
91
90

Pressure (mb)

1019
1019
1019
1019
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1015
1014
1014
1014
1014
1014
1013
1013
1013
1013

Ozone (du)

264
264
263
263
262
262
263
265
263
261
260
260
260
261
265
267
268
268
267
267
271
274
276
277

Friday 28

First Quarter 66%

13:49

00:46

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
22 Bad

Sun - Rise: 08:18, Set: 16:39, Transit: 12:28. Moon - Rise: 13:49, Set: 00:46. Civil Dark: 17:17 - 07:40. Nautical Dark: 17:58 - 06:59. Astro Dark: 18:38 - 06:19

Total Clouds (% Sky Obscured)

71
50
50
56
62
63
61
61
63
61
61
74
87
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

71
50
50
50
50
56
56
59
57
59
57
52
47
42
44
47
49
45
42
38
27
16
5
29

Medium Clouds (% Sky Obscured)

8
0
0
4
19
50
22
4
4
3
0
10
20
32
44
62
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

1
1
3
14
30
30
8
3
13
7
9
37
67
100
100
100
100
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
6
8
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

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

Precipitation Probability (%)

38
27
16
5
1
1
0
0
1
1
0
0
0
0
0
1
0
0
1
8
53
74
95
77

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
1.1
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
8
7
6
6
6
6
6
6
6
7
7
8
8
8
8
8
8
7
7
7
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
93
93
93
93
93
94
94
93
91
87
87
87
82
81
84
87
88
91
88
91
90
91

Pressure (mb)

1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1011
1011
1011
1010
1009
1009
1008
1007
1007
1006
1006
1005
1005
1004

Ozone (du)

276
277
277
276
277
277
281
283
283
284
287
289
291
291
291
293
294
296
297
298
299
300
302
305

Saturday 29

Waxing Gibbous 77%

14:02

02:06

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
22 Bad

Sun - Rise: 08:20, Set: 16:38, Transit: 12:29. Moon - Rise: 14:02, Set: 02:06. Civil Dark: 17:16 - 07:42. Nautical Dark: 17:58 - 07:00. Astro Dark: 18:37 - 06:20

Total Clouds (% Sky Obscured)

100
100
100
99
99
89
99
80
72
72
60
76
95
100
99
98
97
88
79
67
60
54
47
54

Low Clouds (% Sky Obscured)

54
81
85
89
92
76
76
76
71
62
54
57
65
62
59
56
50
43
32
21
24
25
25
31

Medium Clouds (% Sky Obscured)

100
63
97
89
78
32
86
40
28
18
5
30
21
65
72
80
87
78
68
63
55
46
35
42

High Clouds (% Sky Obscured)

100
100
91
80
73
81
91
80
67
33
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
5
6
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
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

55
69
95
59
37
42
42
25
22
16
2
2
1
0
5
6
8
10
12
8
16
15
3
9

Precipitation Amount (mm)

0
0.2
0.8
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
13
11
13
11
10
9
9
10
10
11
11
11
11
12
11
10
11
11
11
12
11
11
10

Chance of Frost

Temperature (°C)

8
8
8
6
6
6
4
5
4
4
4
5
6
7
8
7
7
7
6
6
6
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
91
93
88
86
91
93
89
89
89
86
81
75
73
74
75
76
79
79
80
83
83
85

Pressure (mb)

1003
1003
1002
1002
1002
1002
1003
1003
1003
1004
1005
1006
1006
1006
1007
1007
1007
1007
1008
1008
1009
1009
1010
1010

Ozone (du)

308
308
308
311
314
320
322
326
332
337
340
342
343
343
344
346
347
348
350
351
352
351
350
349

Sunday 30

Waxing Gibbous 86%

14:17

03:30

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
22 Bad

Sun - Rise: 08:21, Set: 16:38, Transit: 12:29. Moon - Rise: 14:17, Set: 03:30. Civil Dark: 17:16 - 07:43. Nautical Dark: 17:57 - 07:01. Astro Dark: 18:37 - 06:22

Total Clouds (% Sky Obscured)

61
68
72
76
79
78
76
74
73
70
67
64
66
69
70
74
75
71
65
61
71
81
92
84

Low Clouds (% Sky Obscured)

36
42
48
55
62
68
73
74
73
70
67
64
66
59
61
60
60
56
50
44
44
41
40
43

Medium Clouds (% Sky Obscured)

49
56
46
35
25
17
8
1
0
0
0
0
0
0
2
2
3
3
4
2
3
5
6
7

High Clouds (% Sky Obscured)

0
2
1
1
0
0
0
0
0
0
0
6
15
25
15
10
0
1
1
2
19
36
51
44

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 (%)

14
12
17
20
21
22
23
23
23
20
17
19
20
23
21
21
19
16
11
3
5
1
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
9
9
9
9
8
8
8
7
8
7
8
8
9
10
10
9
9
9
9
10
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
2
2
2
2
2
2
3
3
3
2
3
3
3
3
3
2
2
2
2

Relative Humidity (%)

86
89
91
91
93
93
93
91
91
89
88
88
82
78
72
75
78
81
80
82
82
83
85
86

Pressure (mb)

1010
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1012

Ozone (du)

347
345
343
345
346
348
343
339
334
330
325
320
317
314
310
307
304
301
298
295
291
288
284
281

Monday 1

Waxing Gibbous 93%

14:35

04:59

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

Sun - Rise: 08:22, Set: 16:37, Transit: 12:30. Moon - Rise: 14:35, Set: 04:59. Civil Dark: 17:15 - 07:44. Nautical Dark: 17:57 - 07:02. Astro Dark: 18:37 - 06:23

Total Clouds (% Sky Obscured)

75
65
77
89
100
100
100
100
97
95
93
86
78
71
73
75
77
85
92
100

Low Clouds (% Sky Obscured)

49
58
65
73
80
88
93
98
94
91
90
86
78
71
73
75
76
69
63
58

Medium Clouds (% Sky Obscured)

12
15
22
32
43
62
81
100
96
92
88
85
78
63
49
50
50
73
91
100

High Clouds (% Sky Obscured)

36
27
51
77
100
100
100
100
90
83
70
70
75
71
73
75
77
85
92
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

Fog (%)

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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
2
7
11
17
61
84
95
82
56
11
16
18
15
19
22
24
28
30
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
5
5
5
6
6
6
7
7
7
8
8
9
9
9
9
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
85
83
82
79
81
81
82
81
79
78
77
73
70
72
74
74
77
77

Pressure (mb)

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

Ozone (du)

277
273
269
268
268
267
267
267
267
265
264
262
262
262
262
261
259
258
260
261

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

Generated: 25/11/25 23:10:17. Forecast: 25/11/25 to 01/12/25. Timezone: UTC+1.00