Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waning Crescent 7%

05:04

15:18

00 Good
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 OK
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 08:00, Set: 16:50, Transit: 12:25. Moon - Rise: 05:04, Set: 15:18. Civil Dark: 17:27 - 07:23. Nautical Dark: 18:07 - 06:43. Astro Dark: 18:46 - 06:04

Total Clouds (% Sky Obscured)

15
74
76
83
68
76
58
65
70
69
72
70
59
37
31
6
4
1
1
0
0
1
1
7

Low Clouds (% Sky Obscured)

0
43
13
80
89
69
58
61
55
59
53
61
52
37
31
6
4
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

11
1
14
35
50
43
46
42
37
32
24
12
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
7

ISS Passover

Visibility (miles)

-
-
-
-
-
-
6
9
4
5
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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
100
11
11
6
53
47
27
31
21
1
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
3
4
4
5
6
6
8
7
8
13
14
13
13
14
14
12
7
6
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
92
93
95
87
91
85
89
83
82
72
72
62
54
53
53
56
66
71
71
73
77
82
85

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1012
1013
1014
1015
1015
1016
1016
1017
1018
1019
1020
1021
1022
1022
1023
1023

Ozone (du)

290
288
283
282
284
285
283
288
291
288
283
281
281
278
276
275
275
274
275
275
275
275
281
285

Tuesday 18

Waning Crescent 3%

06:15

15:32

00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Good
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

Sun - Rise: 08:01, Set: 16:49, Transit: 12:25. Moon - Rise: 06:15, Set: 15:32. Civil Dark: 17:26 - 07:25. Nautical Dark: 18:06 - 06:45. Astro Dark: 18:45 - 06:06

Total Clouds (% Sky Obscured)

35
100
50
100
74
9
64
50
82
78
89
100
84
84
100
100
63
70
47
66
89
94
82
94

Low Clouds (% Sky Obscured)

0
10
8
0
0
5
27
38
47
43
48
78
66
75
84
98
30
59
47
53
60
67
58
57

Medium Clouds (% Sky Obscured)

0
2
9
42
56
9
36
49
44
48
74
83
75
62
99
52
24
11
4
9
89
94
82
94

High Clouds (% Sky Obscured)

35
91
50
100
35
9
30
25
20
20
32
97
1
5
5
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
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
1
4
12
4
1
2
11
6
18
29
24
28
53
81
50
16
8
4
2
2
16
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.9
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
6
6
7
7
8
8
8
9
10
12
13
13
13
13
13
12
12
12
12
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
83
81
83
86
86
91
94
94
89
85
76
67
58
61
71
86
86
80
83
88
89
88
91

Pressure (mb)

1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1020
1019
1018
1017
1016
1016
1015
1015
1014
1013
1013
1012
1011

Ozone (du)

287
287
275
273
274
282
287
286
286
288
289
290
294
291
289
286
288
288
286
287
288
289
287
289

Wednesday 19

Waning Crescent 1%

07:27

15:50

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
23 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)

93
84
93
87
77
67
72
98
90
61
100
100
100
100
100
100
100
100
100
100
99
100
67
69

Low Clouds (% Sky Obscured)

61
58
87
76
70
67
63
98
82
61
76
64
77
78
86
85
57
68
69
70
74
75
64
69

Medium Clouds (% Sky Obscured)

90
77
69
66
23
2
14
20
45
25
100
100
100
100
100
90
100
100
100
100
98
100
67
69

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
35
35
35
30
7
0
0

ISS Passover

Visibility (miles)

9
0
0
0
0
2
7
5
9
9
0
0
0
0
0
4
7
0
4
8
5
4
9
8

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

Precipitation Probability (%)

39
34
14
17
34
13
9
27
46
75
95
65
54
72
71
59
55
49
46
43
24
27
16
61

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
1.4
0
0
0.3
0.3
0.2
0
0
0
0
0
0
0
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-0
-0
-0
-0
0
-0
-1
0
-1
-0
0
1
1
1
1
1
0
0
1
0
1
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

91
96
96
94
96
94
93
94
91
91
94
98
96
96
96
93
94
96
93
94
96
98
96
96

Pressure (mb)

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

Ozone (du)

288
287
286
287
296
306
306
302
298
297
299
306
314
318
324
336
340
335
327
329
334
333
336
333

Thursday 20

New Moon 0%

08:39

16:14

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
23 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)

73
73
73
73
82
91
100
99
98
97
98
99
97
100
98
99
95
91
87
85
89
87
94
97

Low Clouds (% Sky Obscured)

61
65
69
73
70
70
72
79
87
94
76
55
36
40
43
48
48
49
49
59
68
78
82
86

Medium Clouds (% Sky Obscured)

73
73
73
48
65
91
77
51
36
76
82
93
54
30
32
35
68
91
87
61
64
36
76
86

High Clouds (% Sky Obscured)

1
11
2
15
4
6
8
13
30
38
50
52
75
93
84
80
53
26
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
8
9
7
4
0
8
9
9
9
9
8
8
8
5
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
75
22
32
13
32
23
8
6
1
11
19
33
47
55
54
37
19
13
15
10
2
5
7

Precipitation Amount (mm)

1.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
91
93
94
93
98
91
82
82
76
73
72
73
78
86
94
93
94
94
93
91
93

Pressure (mb)

1004
1005
1005
1006
1006
1007
1007
1008
1009
1010
1010
1011
1011
1011
1011
1011
1012
1012
1013
1013
1014
1014
1015
1015

Ozone (du)

331
331
327
328
325
322
326
324
317
322
315
313
313
316
319
324
328
330
334
336
340
341
340
339

Friday 21

Waxing Crescent 2%

09:48

16:47

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 OK
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 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)

97
98
99
99
98
98
97
57
77
79
78
81
75
62
25
13
11
7
3
5
5
6
7
9

Low Clouds (% Sky Obscured)

90
91
93
94
92
90
80
57
76
76
68
67
59
40
24
11
8
4
2
2
1
0
0
0

Medium Clouds (% Sky Obscured)

85
89
88
88
84
77
75
18
38
37
47
60
60
60
3
3
3
3
0
0
0
0
2
4

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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
93
93
93
93
91
92
92
92
86
82
77
73
69
69
76
83
84
84
86
87
89
89

Pressure (mb)

1015
1016
1016
1016
1017
1017
1018
1019
1019
1020
1021
1021
1022
1022
1022
1022
1023
1023
1024
1024
1026
1026
1027
1027

Ozone (du)

337
335
333
333
333
330
327
327
327
330
336
336
336
330
323
319
321
320
316
312
310
308
306
301

Saturday 22

Waxing Crescent 5%

10:49

17:32

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

10
18
28
37
42
42
36
33
28
28
29
44
50
56
63
75
73
80
97
95
94
93
95
97

Low Clouds (% Sky Obscured)

0
4
9
11
10
8
5
4
3
2
3
4
4
3
2
1
10
16
22
34
35
35
35
40

Medium Clouds (% Sky Obscured)

6
6
6
6
13
20
28
33
28
28
29
23
10
21
32
44
62
80
97
95
92
88
74
62

High Clouds (% Sky Obscured)

0
0
0
9
7
3
7
4
15
7
4
8
17
37
38
30
35
40
40
36
36
46
75
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
17
26
34
49
59

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
6
7
7
7
7
7
7
8
8
9
10
10
11
12
12
12
13
12
13
14
15
17
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
-4
-3
-3
-3
-2

Relative Humidity (%)

89
91
91
92
92
92
91
89
86
83
80
77
73
69
70
73
73
73
71
69
73
76
77
81

Pressure (mb)

1027
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1023
1023
1022
1021
1020
1019
1018
1017
1017
1016
1015
1014

Ozone (du)

297
292
293
294
295
290
284
279
281
282
283
285
287
289
291
293
294
296
299
301
303
305
307
303

Sunday 23

Waxing Crescent 10%

11:39

18:30

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
23 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
98
95
93
95
98
100
100
100
99
96
93
90
94
97
99
97
95
94
96
98
98
98
98

Low Clouds (% Sky Obscured)

50
62
75
87
91
95
100
100
100
99
96
93
89
92
96
98
97
95
93
85
76
70
67
63

Medium Clouds (% Sky Obscured)

49
67
82
93
88
78
67
52
38
30
26
26
30
32
39
42
26
11
1
4
7
10
19
29

High Clouds (% Sky Obscured)

75
85
85
85
51
20
2
1
1
0
0
0
0
0
0
0
0
0
0
13
24
18
18
14

ISS Passover

Visibility (miles)

9
9
9
8
7
5
3
1
4
6
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 (%)

61
56
44
34
41
44
42
36
31
25
24
26
29
39
41
37
30
25
22
22
18
11
9
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
89
89
91
93
94
96
96
94
93
91
91
88
86
88
88
88
90
93
91
88
86
88

Pressure (mb)

1013
1013
1012
1012
1011
1011
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

299
294
293
292
292
292
293
293
290
286
283
281
279
277
278
279
280
280
281
281
279
276
274
273

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

Generated: 17/11/25 06:49:49. Forecast: 17/11/25 to 23/11/25. Timezone: UTC+1.00