Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 19

Waning Crescent 1%

07:27

15:50

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:03, Set: 16:48, Transit: 12:25. Moon - Rise: 07:27, Set: 15:50. Civil Dark: 17:25 - 07:26. Nautical Dark: 18:05 - 06:46. Astro Dark: 18:44 - 06:07

Total Clouds (% Sky Obscured)

85
88
91
93
100
100
100
100
100
100
100
100
100
100
100
100
100
86
93
88
69
48
85
95

Low Clouds (% Sky Obscured)

85
88
91
93
89
73
70
100
100
90
76
75
71
82
94
100
86
68
88
79
51
29
46
63

Medium Clouds (% Sky Obscured)

5
41
29
56
87
100
100
89
89
100
97
100
100
100
100
100
98
73
78
49
51
48
78
91

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
9
20
2
28
33
35

ISS Passover

Visibility (miles)

9
9
7
0
3
3
8
1
0
0
8
6
3
5
5
7
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
2
5
0
0
0
1
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

10
8
5
6
21
82
95
95
27
35
59
93
84
72
83
95
83
38
12
8
3
1
2
2

Precipitation Amount (mm)

0
0
0
0
0
0.4
1.1
1
0
0
0.2
0.7
0.5
0.3
0.4
0.9
0.5
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
12
13
15
15
15
14
12
12
13
11
9
7
9
7
12
10
9
8
8
6
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
91
94
93
89
88
93
96
94
82
78
82
91
93
91
89
85
89
89
86
82
81
84

Pressure (mb)

1007
1006
1006
1005
1005
1004
1004
1003
1003
1002
1001
1000
1000
1001
1001
1002
1003
1003
1004
1005
1005
1006
1007
1007

Ozone (du)

282
293
304
298
294
297
302
304
304
304
307
313
322
331
334
337
335
328
326
329
330
323
318
315

Thursday 20

New Moon 0%

08:39

16:14

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:05, Set: 16:47, Transit: 12:26. Moon - Rise: 08:39, Set: 16:14. Civil Dark: 17:24 - 07:28. Nautical Dark: 18:04 - 06:47. Astro Dark: 18:43 - 06:08

Total Clouds (% Sky Obscured)

97
100
98
100
100
100
95
100
85
100
59
100
94
77
72
79
74
76
79
70
91
87
91
90

Low Clouds (% Sky Obscured)

64
81
84
82
83
89
76
95
59
64
46
46
55
60
61
77
74
76
75
70
91
87
91
90

Medium Clouds (% Sky Obscured)

94
92
93
97
100
100
79
100
67
100
51
98
80
68
15
6
6
1
10
3
3
8
2
1

High Clouds (% Sky Obscured)

44
34
21
19
4
16
14
5
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
8
9
9
9
9
6
9
7
6
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 (%)

4
11
12
8
10
4
3
11
31
38
39
42
31
21
11
9
6
2
1
7
2
2
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
93
96
96
96
96
91
86
82
80
80
80
86
94
94
94
93
94
94
94
93
93
91
91

Pressure (mb)

1007
1008
1008
1009
1009
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1014
1014
1014
1015
1015
1016
1016

Ozone (du)

316
321
327
323
323
321
319
316
314
312
314
321
328
339
342
340
339
335
331
330
333
331
327
326

Friday 21

Waxing Crescent 2%

09:48

16:47

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

Sun - Rise: 08:06, Set: 16:46, Transit: 12:26. Moon - Rise: 09:48, Set: 16:47. Civil Dark: 17:23 - 07:29. Nautical Dark: 18:03 - 06:49. Astro Dark: 18:42 - 06:10

Total Clouds (% Sky Obscured)

90
84
92
88
77
82
68
76
68
48
36
24
0
1
0
1
15
11
21
18
24
23
20
10

Low Clouds (% Sky Obscured)

90
84
90
88
77
82
65
72
63
47
36
24
0
0
0
0
0
7
2
2
7
11
14
7

Medium Clouds (% Sky Obscured)

8
3
17
2
1
0
0
2
11
7
0
0
0
0
0
0
11
4
10
12
11
23
20
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1

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
5
70
100
100
99
57
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
1
0
0
1
1
1
0
0
0
35
39
18
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
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
89
93
91
91
84
77
68
65
68
72
77
83
83
81
81
81
80
81
84
87
87
91

Pressure (mb)

1017
1017
1018
1019
1020
1021
1022
1022
1023
1023
1023
1023
1024
1024
1025
1025
1026
1026
1027
1027
1027
1026
1026
1026

Ozone (du)

327
328
331
333
333
334
331
334
337
338
334
334
331
327
324
322
318
312
307
305
303
304
302
299

Saturday 22

Waxing Crescent 5%

10:49

17:32

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

Sun - Rise: 08:08, Set: 16:45, Transit: 12:26. Moon - Rise: 10:49, Set: 17:32. Civil Dark: 17:22 - 07:31. Nautical Dark: 18:03 - 06:50. Astro Dark: 18:42 - 06:11

Total Clouds (% Sky Obscured)

17
17
15
15
10
13
8
11
11
11
10
10
40
70
99
85
71
49
36
19
17
37
72
96

Low Clouds (% Sky Obscured)

7
7
10
10
9
5
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

17
8
15
15
10
13
8
11
11
11
10
10
40
65
87
85
71
20
15
11
5
8
15
17

High Clouds (% Sky Obscured)

8
1
15
8
2
2
2
2
2
2
5
7
22
40
60
43
26
9
6
3
0
33
67
96

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 (%)

1
2
1
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-5
-5
-5
-4
-4
-3
-2
-2
-1
-1
-1
-2
-3
-4
-4
-4
-4
-4
-4
-4
-5
-5
-6

Dew Point (°C)

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

Relative Humidity (%)

92
96
96
92
96
94
89
81
79
77
79
83
88
91
91
91
89
89
89
91
92
92
92
91

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1023
1023
1022
1022
1021
1021
1020
1020
1019
1018
1017
1016
1015
1014

Ozone (du)

293
290
291
291
285
275
272
271
272
280
292
299
300
297
297
295
295
296
298
296
293
292
288
280

Sunday 23

Waxing Crescent 10%

11:39

18:30

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:09, Set: 16:44, Transit: 12:27. Moon - Rise: 11:39, Set: 18:30. Civil Dark: 17:21 - 07:32. Nautical Dark: 18:02 - 06:51. Astro Dark: 18:41 - 06:12

Total Clouds (% Sky Obscured)

100
100
100
100
99
95
99
98
98
98
99
100
100
100
100
95
92
89
94
97
100
100
100
100

Low Clouds (% Sky Obscured)

33
67
90
85
75
69
73
78
82
81
94
92
91
87
87
91
86
82
85
86
89
87
84
81

Medium Clouds (% Sky Obscured)

27
41
48
99
99
87
96
93
91
94
73
100
100
60
100
55
34
15
34
53
74
85
91
99

High Clouds (% Sky Obscured)

75
50
29
25
25
24
14
7
0
0
0
0
0
0
0
3
5
8
38
69
100
86
72
68

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
8
8
7
8
8
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
Snow
Very Light Rain
None
None
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
3
9
15
34
44
52
48
46
71
80
50
13
32
24
17
15
11
3
4
3
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.1
0.2
0
0
0.2
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
12
13
14
15
16
16
17
17
17
17
17
16
16
15
16
15
15
14
13
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
84
80
72
70
64
58
54
54
57
68
77
86
86
88
91
93
96
94
94
93
93
94

Pressure (mb)

1014
1013
1012
1011
1010
1009
1008
1007
1006
1005
1004
1003
1002
1002
1002
1001
1003
1003
1003
1002
1002
1001
1001
1000

Ozone (du)

279
276
273
279
280
281
278
277
276
273
274
273
275
277
277
276
276
277
277
276
275
274
274
274

Monday 24

Waxing Crescent 16%

12:17

19:38

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:11, Set: 16:43, Transit: 12:27. Moon - Rise: 12:17, Set: 19:38. Civil Dark: 17:20 - 07:34. Nautical Dark: 18:01 - 06:53. Astro Dark: 18:40 - 06:13

Total Clouds (% Sky Obscured)

99
98
97
98
99
100
100
100
100
100
100
100
100
99
99
99
99
98
99
99
99
100
100
100

Low Clouds (% Sky Obscured)

78
73
67
58
52
44
60
75
89
92
96
100
99
96
93
94
92
92
93
95
96
98
99
100

Medium Clouds (% Sky Obscured)

99
98
97
98
99
100
100
100
100
100
100
100
98
98
97
98
99
98
99
99
99
85
71
57

High Clouds (% Sky Obscured)

53
35
26
48
78
100
70
43
25
62
81
100
96
93
89
70
53
45
75
80
75
84
82
81

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
2
1
0
0
0
0
3
6

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

Precipitation Probability (%)

1
2
1
9
10
6
48
65
74
91
95
95
95
95
95
95
95
95
95
95
95
95
73
51

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.4
0.7
1
1.1
1
1
1
0.9
0.9
0.9
1
1.1
1.2
0.8
0.4
0

Wind Speed/Direction (mph)

10
9
9
8
8
8
8
8
8
9
10
11
13
14
15
16
16
17
17
17
17
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
3
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
2
2
2
2
2
2

Relative Humidity (%)

94
94
96
94
94
94
93
90
85
82
85
86
88
91
93
94
96
96
96
96
96
98
96
96

Pressure (mb)

999
998
998
997
996
995
994
993
993
992
991
990
990
990
990
990
990
990
990
991
992
992
993
994

Ozone (du)

274
275
277
278
279
280
281
282
283
284
284
284
285
285
286
286
288
290
292
294
296
297
297
297

Tuesday 25

Waxing Crescent 25%

12:45

20:52

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
23 Bad
00 Bad

Sun - Rise: 08:12, Set: 16:42, Transit: 12:27. Moon - Rise: 12:45, Set: 20:52. Civil Dark: 17:19 - 07:35. Nautical Dark: 18:00 - 06:54. Astro Dark: 18:40 - 06:15

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
99
84
69
57
69
80
88
84
78
78

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
94
87
80
62
43
25
41
55
74
67
59
54

Medium Clouds (% Sky Obscured)

69
83
97
99
99
97
97
97
96
96
96
97
84
69
57
69
75
66
46
26
7

High Clouds (% Sky Obscured)

73
54
50
46
42
38
30
29
28
55
73
79
76
69
57
50
32
8
8
7
6

ISS Passover

Visibility (miles)

9
6
3
1
0
0
0
0
0
0
0
0
0
1
2
3
5
7
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

Precipitation Type

None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

50
45
33
27
25
28
29
29
27
37
42
45
41
37
30
26
18
4
4
2
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.1
0.2
0.2
0.2
0.1
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
16
16
16
15
15
15
15
15
15
14
13
13
12
11
11
10
10
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-4
-5
-5
-5
-5
-4
-4
-5
-5
-5
-5
-5
-5
-5
-5
-4
-4
-4

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
96
96
96
96
96
96
96
96
96
96
94
94
92
91
91
91
92
94

Pressure (mb)

995
996
997
998
1000
1001
1003
1004
1005
1006
1007
1008
1009
1011
1012
1013
1014
1015
1015
1016
1017

Ozone (du)

297
300
303
306
307
308
309
303
296
290
290
291
292
295
298
301
301
301
300
301
301

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

Generated: 19/11/25 04:20:56. Forecast: 19/11/25 to 25/11/25. Timezone: UTC+1.00