Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Crescent 1%

08:14

17:57

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:14, Set: 18:37, Transit: 13:25. Moon - Rise: 08:14, Set: 17:57. Civil Dark: 19:10 - 07:41. Nautical Dark: 19:48 - 07:02. Astro Dark: 20:26 - 06:24

Total Clouds (% Sky Obscured)

63
65
61
74
69
58
100
100
100
100
100
100
100
100
100
100
99
92
87
82
84
82
93
91

Low Clouds (% Sky Obscured)

56
49
50
47
48
44
56
65
62
58
68
60
61
80
62
78
82
86
77
70
68
65
87
67

Medium Clouds (% Sky Obscured)

26
4
46
74
44
36
100
100
86
71
85
34
66
75
44
100
90
83
57
31
76
44
44
46

High Clouds (% Sky Obscured)

15
15
0
0
0
8
90
100
100
100
85
100
100
100
100
100
72
1
3
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
8
9
5
3
8
5
9
9
4
9
6
9
9
9
9
3
9
3
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
34
40
58
63
89
79
65
62
51
64
41
32
54
37
55
95
52
58
19
9
8

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.2
0.5
0.4
0
0
0
0.4
0
0
0.3
0
0.2
1.2
0.3
0.4
0
0
0

Wind Speed/Direction (mph)

11
12
14
15
17
17
14
14
15
16
17
18
18
18
20
21
21
22
20
21
20
20
20
20

Chance of Frost

Temperature (°C)

16
17
17
17
17
17
16
15
15
14
14
14
14
13
13
13
13
13
13
13
13
13
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
66
59
64
64
69
78
83
84
82
83
83
86
87
82
82
83
83
86
87
86
84
81
82

Pressure (mb)

998
998
997
996
996
995
995
994
994
993
993
993
993
993
993
993
993
993
993
994
994
995
996
997

Ozone (du)

293
293
293
290
293
295
297
299
301
300
301
300
300
299
298
297
297
298
295
293
290
289
288
289

Tuesday 21

New Moon 0%

09:26

18:10

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:16, Set: 18:35, Transit: 13:24. Moon - Rise: 09:26, Set: 18:10. Civil Dark: 19:08 - 07:42. Nautical Dark: 19:47 - 07:04. Astro Dark: 20:25 - 06:26

Total Clouds (% Sky Obscured)

92
89
97
92
100
93
88
88
82
96
84
71
70
79
76
69
87
100
100
100
100
99
86
100

Low Clouds (% Sky Obscured)

91
56
72
55
68
63
49
50
68
70
61
53
50
57
57
55
77
70
67
67
59
65
41
50

Medium Clouds (% Sky Obscured)

26
15
62
63
75
71
47
72
38
56
32
18
13
11
5
10
87
94
95
94
84
89
57
100

High Clouds (% Sky Obscured)

2
61
70
20
1
2
8
1
6
2
7
5
13
29
14
10
24
100
100
100
97
85
55
30

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 (%)

2
5
7
5
16
31
5
8
21
15
8
2
0
1
1
1
1
2
0
0
3
9
21
27

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
19
19
18
16
16
13
13
12
13
13
14
14
13
13
12
12
12
11
10
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
10
10
10
10
10
10
10
9
10
9
9
9
9
9
8
8
9
9
9
8
9
10

Dew Point (°C)

10
8
7
7
7
7
6
7
9
9
10
11
11
11
11
11
11
10
10
10
10
10
9
11

Relative Humidity (%)

78
66
59
57
56
57
56
61
74
76
83
86
90
92
93
93
95
93
92
93
93
90
84
90

Pressure (mb)

997
997
997
997
997
997
997
998
998
998
998
999
999
999
999
1000
999
1000
1000
1000
1000
1000
1000
1001

Ozone (du)

289
289
289
288
287
286
286
286
288
287
287
287
289
289
289
286
285
284
283
284
283
284
285
285

Wednesday 22

Waxing Crescent 1%

10:39

18:25

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:17, Set: 18:33, Transit: 13:24. Moon - Rise: 10:39, Set: 18:25. Civil Dark: 19:06 - 07:44. Nautical Dark: 19:45 - 07:05. Astro Dark: 20:23 - 06:28

Total Clouds (% Sky Obscured)

92
93
99
100
99
94
93
93
95
100
100
100
100
100
100
90
83
87
97
97
97
99
100
99

Low Clouds (% Sky Obscured)

52
70
60
55
42
56
48
46
49
38
62
46
79
67
99
83
74
65
86
67
69
71
73
68

Medium Clouds (% Sky Obscured)

73
85
95
94
83
85
72
58
89
87
97
100
53
43
41
90
83
87
97
97
36
24
26
99

High Clouds (% Sky Obscured)

44
21
31
67
56
42
64
53
63
100
100
100
100
96
100
30
30
30
41
7
0
0
0
2

ISS Passover

Visibility (miles)

9
9
9
7
9
9
9
7
9
8
9
9
9
8
8
9
1
2
4
3
4
9
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
None
None
None
Light Rain
Light Rain
Very Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

14
29
34
31
26
40
54
47
46
52
42
57
89
94
72
95
95
95
95
95
95
82
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.6
0.2
1.4
4.6
3
4.2
2.6
0.8
0.3
0.4
0.9

Wind Speed/Direction (mph)

9
10
11
11
11
10
10
11
12
13
14
15
15
15
13
14
14
12
14
21
23
23
27
21

Chance of Frost

Temperature (°C)

13
14
15
15
15
15
15
14
13
13
13
14
14
14
15
15
15
15
15
15
15
14
13
12

Feels Like (°C)

11
12
13
13
12
13
12
11
10
9
9
10
11
11
13
13
13
14
14
10
8
8
5
6

Dew Point (°C)

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

Relative Humidity (%)

92
89
90
89
89
85
87
90
86
87
89
86
89
92
95
93
96
98
95
89
84
82
89
89

Pressure (mb)

1000
1000
999
999
998
998
997
997
996
996
995
994
993
992
991
990
989
987
986
984
983
983
983
985

Ozone (du)

283
284
283
285
288
288
289
290
292
291
290
289
290
290
287
285
284
286
287
292
301
310
311
310

Thursday 23

Waxing Crescent 4%

11:50

18:44

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 OK
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:19, Set: 18:31, Transit: 13:24. Moon - Rise: 11:50, Set: 18:44. Civil Dark: 19:05 - 07:45. Nautical Dark: 19:43 - 07:07. Astro Dark: 20:21 - 06:29

Total Clouds (% Sky Obscured)

99
98
99
99
100
84
68
51
50
49
48
39
24
12
16
22
41
46
53
54
53
54
54
64

Low Clouds (% Sky Obscured)

67
67
68
69
70
62
58
51
50
47
43
30
18
6
14
21
28
32
37
41
38
34
30
36

Medium Clouds (% Sky Obscured)

99
98
98
99
100
84
68
51
50
49
48
39
20
2
2
4
19
46
53
54
53
49
45
59

High Clouds (% Sky Obscured)

25
30
53
77
100
77
53
30
20
15
10
0
0
0
0
0
0
0
0
0
0
0
2
1

ISS Passover

Visibility (miles)

4
3
3
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
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

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

Precipitation Probability (%)

95
95
95
82
63
43
46
58
60
43
11
8
7
6
8
4
22
25
34
27
62
61
32
40

Precipitation Amount (mm)

1.9
1.6
0.6
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.3
0
0

Wind Speed/Direction (mph)

22
24
31
24
27
26
25
25
24
23
23
21
19
19
18
18
19
19
19
20
20
20
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
4
2
4
2
2
1
1
2
1
1
2
2
3
3
3
3
2
2
2
2
2
2
3

Dew Point (°C)

10
10
9
9
7
7
7
6
5
3
2
3
3
5
5
5
6
5
5
5
5
6
6
6

Relative Humidity (%)

86
88
87
84
80
81
80
78
72
64
60
62
67
75
79
82
84
81
79
82
87
88
88
84

Pressure (mb)

985
986
986
988
990
991
993
995
996
997
998
999
1000
1000
1001
1001
1001
1001
1001
1001
1001
1002
1002
1002

Ozone (du)

314
315
314
316
320
323
323
321
318
313
312
312
310
307
305
303
300
300
301
305
301
302
303
304

Friday 24

Waxing Crescent 8%

No Rise

19:11

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:21, Set: 18:29, Transit: 13:24. Moon - Rise: No Rise, Set: 19:11. Civil Dark: 19:03 - 07:47. Nautical Dark: 19:41 - 07:09. Astro Dark: 20:19 - 06:31

Total Clouds (% Sky Obscured)

73
79
78
77
76
83
91
100
99
98
97
70
68
100
100
100
100
99
98
97
95
93
91
90

Low Clouds (% Sky Obscured)

42
54
53
55
55
64
73
81
86
91
96
63
57
75
69
63
56
64
70
77
79
82
85
85

Medium Clouds (% Sky Obscured)

60
68
63
69
73
82
90
100
98
96
94
37
40
99
99
100
100
82
65
53
50
47
44
59

High Clouds (% Sky Obscured)

0
0
0
0
2
0
0
0
0
0
0
0
0
0
11
21
32
44
57
69
66
62
56
38

ISS Passover

Visibility (miles)

9
9
8
8
7
3
8
4
7
9
6
9
9
9
9
9
9
9
9
8
8
6
5
3

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

Precipitation Probability (%)

39
48
62
75
94
79
95
69
59
54
60
55
54
59
92
80
61
58
58
62
68
69
66
68

Precipitation Amount (mm)

0
0
0.3
0.4
0.8
0.6
1.1
0.3
0
0
0.3
0
0
0.2
0.6
0.5
0.3
0.2
0.2
0.3
0.4
0.3
0.2
0.3

Wind Speed/Direction (mph)

21
22
21
21
20
21
20
21
20
21
20
19
17
17
16
17
18
19
19
19
20
19
17
16

Chance of Frost

Temperature (°C)

10
10
10
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
8
8
8
9
9

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
7
7
7
7
7
7
7
6
6
6
6
6
6
6
6
6
6
6
7
7

Relative Humidity (%)

82
80
81
82
85
87
87
90
85
84
85
82
81
81
81
82
84
84
84
85
85
87
88
91

Pressure (mb)

1003
1003
1003
1003
1002
1002
1002
1003
1003
1002
1002
1002
1002
1002
1003
1002
1002
1002
1002
1003
1003
1003
1004
1005

Ozone (du)

302
301
302
300
299
298
303
309
309
308
308
306
303
302
305
306
306
307
309
312
315
316
317
318

Saturday 25

Waxing Crescent 15%

12:57

19:47

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:23, Set: 18:27, Transit: 13:24. Moon - Rise: 12:57, Set: 19:47. Civil Dark: 19:01 - 06:49. Nautical Dark: 19:39 - 06:10. Astro Dark: 20:17 - 05:32

Total Clouds (% Sky Obscured)

89
87
78
72
68
65
62
61
57
51
44
54
73
92
95
95
91
88
85
74
61
47
63
79

Low Clouds (% Sky Obscured)

86
85
75
64
53
59
62
61
57
51
40
45
47
46
68
79
81
81
80
67
58
47
57
64

Medium Clouds (% Sky Obscured)

78
87
76
59
42
56
62
61
57
51
44
54
73
74
34
15
12
9
4
3
2
1
2
6

High Clouds (% Sky Obscured)

20
8
6
5
2
18
37
54
46
38
30
21
11
3
5
6
6
5
3
2
1
0
0
0

ISS Passover

Visibility (miles)

5
7
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

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

Precipitation Probability (%)

68
67
52
40
32
32
32
31
27
21
13
12
12
12
52
62
60
53
40
36
32
26
33
36

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
82
80
78
77
77
77
77
75
75
75
76
78
79
79
79
80
83
86
83
81
78
74

Pressure (mb)

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

Ozone (du)

321
325
329
320
311
302
302
303
304
304
305
306
304
302
302
304
307
306
306
306
307
308
309
309

Sunday 26

Waxing Crescent 22%

12:56

19:35

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:24, Set: 17:25, Transit: 12:24. Moon - Rise: 12:56, Set: 19:35. Civil Dark: 17:59 - 06:50. Nautical Dark: 18:37 - 06:12. Astro Dark: 19:15 - 05:34

Total Clouds (% Sky Obscured)

96
97
98
99
95
91
85
87
89
91
86
80
75
74
74
74
76
78
81

Low Clouds (% Sky Obscured)

69
70
71
72
75
77
78
80
86
88
83
77
70
59
46
27
29
34
39

Medium Clouds (% Sky Obscured)

13
40
68
94
88
82
78
74
70
67
46
26
4
14
24
35
38
46
62

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
33
65
81

ISS Passover

Visibility (miles)

8
7
8
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

36
44
48
51
56
56
50
49
44
36
33
26
18
23
27
29
23
17
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
69
74
80
85
87
87
87
88
91
93
93
93
93
93
91
89
88
85

Pressure (mb)

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

Ozone (du)

309
310
308
307
305
307
308
310
306
303
299
298
296
295
293
292
291
291
292

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

Generated: 20/10/25 12:30:19. Forecast: 20/10/25 to 26/10/25. Timezone: UTC+2.00