Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 25

Waxing Crescent 15%

13:05

19:39

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: 08:23, Set: 18:25, Transit: 13:24. Moon - Rise: 13:05, Set: 19:39. Civil Dark: 18:59 - 07:48. Nautical Dark: 19:39 - 07:09. Astro Dark: 20:18 - 06:30

Total Clouds (% Sky Obscured)

67
80
92
92
100
100
100
100
98
96
100
100
100
96
97
92
99
92
93
86
81
67
74
70

Low Clouds (% Sky Obscured)

61
61
80
82
88
79
95
74
72
89
87
69
69
71
67
76
97
87
89
75
81
67
59
23

Medium Clouds (% Sky Obscured)

27
27
62
56
73
96
85
76
65
91
64
100
51
74
89
85
61
69
85
59
0
0
18
31

High Clouds (% Sky Obscured)

0
69
97
25
30
5
10
84
57
96
93
100
91
74
33
10
5
5
8
0
0
1
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
9
9
9
2
7
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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
3
7
29
95
73
75
74
62
48
58
46
25
12
15
33
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.9
0.2
0.3
0.3
0.3
0
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
16
18
17
19
18
18
17
17
16
14
19
19
19
19
18
16
16
13
12
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
89
86
86
87
89
89
91
85
90
93
84
84
80
75
75
73
74
76
74
72
69
69

Pressure (mb)

997
997
997
996
995
994
994
993
994
994
995
995
996
997
998
999
1000
1000
1001
1002
1002
1002
1002
1003

Ozone (du)

296
295
299
300
301
302
305
307
308
315
323
324
322
324
324
326
318
316
312
307
309
309
305
295

Sunday 26

Waxing Crescent 22%

13:04

19:27

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: 07:25, Set: 17:23, Transit: 12:24. Moon - Rise: 13:04, Set: 19:27. Civil Dark: 17:57 - 06:50. Nautical Dark: 18:37 - 06:11. Astro Dark: 19:16 - 05:32

Total Clouds (% Sky Obscured)

52
41
53
97
92
100
96
99
99
79
70
81
93
73
100
94
80
94
88
100
99
100
95
99

Low Clouds (% Sky Obscured)

52
41
53
47
43
64
96
82
82
66
70
73
88
73
68
71
53
51
83
86
81
97
89
95

Medium Clouds (% Sky Obscured)

0
0
10
66
62
97
80
94
93
62
30
56
69
45
62
46
39
90
85
100
96
100
86
79

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
80
1
10
20
25
15
10
90
0
5
0
0
4
0
0
0
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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

Precipitation Probability (%)

23
26
13
11
18
42
95
37
25
25
31
27
44
29
12
14
2
3
26
77
71
81
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.4
0.5
0.6
0.4

Wind Speed/Direction (mph)

11
9
11
12
12
13
15
16
17
17
19
20
20
20
19
19
18
16
14
14
13
14
16
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
74
71
75
74
66
71
68
68
68
68
68
67
66
67
64
60
56
60
77
81
78
82

Pressure (mb)

1003
1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1003
1003
1001
1000

Ozone (du)

292
294
294
294
293
293
290
286
287
288
290
288
288
294
294
289
289
287
289
290
289
288
289
291

Monday 27

Waxing Crescent 31%

13:50

20:29

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: 07:27, Set: 17:21, Transit: 12:24. Moon - Rise: 13:50, Set: 20:29. Civil Dark: 17:56 - 06:52. Nautical Dark: 18:35 - 06:12. Astro Dark: 19:14 - 05:34

Total Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
100
96
57
78
79
76
71
73
50
49
68
81
81
62
80
60

Low Clouds (% Sky Obscured)

95
84
100
94
97
98
89
87
82
60
57
60
62
60
57
55
47
49
46
60
67
52
46
23

Medium Clouds (% Sky Obscured)

89
97
75
80
75
75
75
70
70
69
30
60
56
56
51
36
0
0
32
70
67
17
29
20

High Clouds (% Sky Obscured)

1
0
0
0
0
0
95
95
95
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
3
3
9
9
9
9
9
9
5
4
4
6
4
5
9
7
9
9
9
6
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
Light Rain
None
None
Very Light Rain
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
82
56
61
64
53
64
82
82
78
81
75
55
57
43
29
42
47
35
28
13
21

Precipitation Amount (mm)

0.7
1.5
1
0.5
0
0
0.2
0
0
0.4
0.4
0.4
0.5
0.5
0
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
19
16
18
19
18
17
16
15
14
15
17
17
18
18
17
16
14
12
11
10
10
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
5
5
5
5
5
4
4
5
4
4
5
5
5
5
7
6
6
6
5
4
5
4

Dew Point (°C)

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

Relative Humidity (%)

90
95
91
85
83
81
81
80
76
78
76
77
77
81
80
81
80
78
81
85
82
80
81
75

Pressure (mb)

999
997
997
996
996
997
997
997
997
998
999
999
1000
1001
1001
1002
1003
1004
1005
1006
1007
1008
1008
1009

Ozone (du)

292
291
291
291
291
290
290
289
290
293
294
293
294
295
298
300
298
296
296
298
297
297
294
293

Tuesday 28

Waxing Crescent 41%

14:23

21:42

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: 07:28, Set: 17:19, Transit: 12:24. Moon - Rise: 14:23, Set: 21:42. Civil Dark: 17:54 - 06:54. Nautical Dark: 18:33 - 06:14. Astro Dark: 19:12 - 05:35

Total Clouds (% Sky Obscured)

56
65
73
87
97
83
73
97
94
87
91
96
100
100
100
100
96
92
88
83
77
71
62
54

Low Clouds (% Sky Obscured)

15
24
34
44
57
71
73
69
64
61
58
69
63
59
51
47
50
52
55
53
52
50
45
41

Medium Clouds (% Sky Obscured)

19
19
20
27
32
36
35
32
34
78
73
87
100
94
81
28
30
35
39
35
28
20
18
13

High Clouds (% Sky Obscured)

2
18
35
53
78
66
48
89
80
12
70
83
89
90
98
98
65
33
0
8
16
24
16
8

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

8
23
10
15
12
11
16
22
23
25
21
23
22
21
26
34
47
43
30
26
14
4
9
20

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
10
9
10
10
10
9
10
11
12
15
16
17
18
19
19
19
17
16
15
15
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
78
78
79
82
79
85
88
88
82
81
80
79
79
77
79
83
87
87
90
90
90
88
90

Pressure (mb)

1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009

Ozone (du)

291
289
288
285
283
281
280
278
276
275
273
272
271
270
270
270
270
270
268
269
269
270
270
270

Wednesday 29

First Quarter 51%

14:48

23:00

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: 07:30, Set: 17:17, Transit: 12:24. Moon - Rise: 14:48, Set: 23:00. Civil Dark: 17:52 - 06:55. Nautical Dark: 18:32 - 06:16. Astro Dark: 19:10 - 05:37

Total Clouds (% Sky Obscured)

45
46
50
55
45
67
80
85
90
93
93
94
95
89
91
89
93
95
100
70
69
69
79
88

Low Clouds (% Sky Obscured)

36
37
42
46
37
44
42
38
39
39
52
69
80
77
75
71
53
37
23
0
0
0
0
0

Medium Clouds (% Sky Obscured)

11
7
5
2
10
16
19
23
28
37
78
91
90
42
65
53
63
43
53
38
53
69
78
85

High Clouds (% Sky Obscured)

0
0
1
4
5
10
15
20
25
29
21
13
4
3
5
3
12
17
24
5
10
11
40
65

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 (%)

9
11
24
30
11
8
6
3
1
0
5
7
11
13
14
9
7
5
0
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
7
7
7
7
6
5
6
7
8
10
10
11
12
12
12
10
9
8
8
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

90
87
90
91
93
96
96
96
96
95
91
87
81
78
74
73
78
84
88
88
90
88
87
85

Pressure (mb)

1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1011
1010
1010
1010
1009
1009
1008
1008
1008
1007
1008
1008
1007
1007

Ozone (du)

268
266
265
265
265
264
264
265
266
267
267
268
268
268
267
266
264
264
264
264
264
263
263
262

Thursday 30

Waxing Gibbous 61%

15:06

No Set

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: 07:32, Set: 17:15, Transit: 12:24. Moon - Rise: 15:06, Set: No Set. Civil Dark: 17:50 - 06:57. Nautical Dark: 18:30 - 06:17. Astro Dark: 19:09 - 05:38

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

0
7
13
20
34
48
66
74
79
83
85
91
95
98
99
100
99
99
98
97
96
95
95
96

Medium Clouds (% Sky Obscured)

89
95
98
100
98
96
94
96
97
98
96
93
92
91
91
90
93
96
99
97
96
94
87
78

High Clouds (% Sky Obscured)

90
93
97
100
100
100
100
89
78
67
78
89
100
100
100
100
94
88
82
88
94
100
100
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
7
6
7
8
9
9
8
7
7
6
5
7
8
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
10
15
20
37
50
62
69
76
77
76
66
48
42
40
42
56
67
75
71
63
44
41
45

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
81
81
80
80
83
83
85
87
90
93
92
92
90
92
92
93
93
95
95
93
95
95
96

Pressure (mb)

1006
1006
1005
1004
1004
1003
1003
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003

Ozone (du)

261
260
259
259
258
258
259
259
259
259
260
261
261
262
262
262
262
263
264
265
265
265
265
266

Friday 31

Waxing Gibbous 72%

15:20

00:22

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 OK
18 OK
19 OK
20 OK
21 OK
22 Bad
23 Bad

Sun - Rise: 07:34, Set: 17:13, Transit: 12:23. Moon - Rise: 15:20, Set: 00:22. Civil Dark: 17:48 - 06:59. Nautical Dark: 18:28 - 06:19. Astro Dark: 19:07 - 05:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
97
94
91
81
67
55
41
28
15
14
14
13
42
71

Low Clouds (% Sky Obscured)

97
97
97
94
92
88
84
81
78
76
76
77
78
72
64
54
41
28
15
9
4
7
9
15

Medium Clouds (% Sky Obscured)

71
65
63
59
57
53
48
47
49
47
53
48
45
30
16
1
0
0
0
0
1
2
1
1

High Clouds (% Sky Obscured)

99
99
99
98
97
98
100
100
100
100
77
70
60
65
64
55
41
28
10
14
14
13
42
68

ISS Passover

Visibility (miles)

9
9
7
5
3
5
7
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

45
45
41
37
33
26
10
25
35
46
62
71
75
59
47
37
31
22
4
9
8
2
10
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
98
98
98
98
96
96
93
90
90
86
82
75
78
79
80
84
87
90
93
93
96
95

Pressure (mb)

1003
1003
1003
1003
1003
1004
1004
1004
1005
1005
1005
1006
1006
1006
1007
1007
1007
1008
1008
1009
1009
1009
1009
1009

Ozone (du)

266
267
269
270
271
272
272
272
271
270
269
271
273
275
277
278
280
277
275
273
271
270
269
270

Forecast for Werkendam, Altena, Netherlands (51.81,4.90)

Generated: 25/10/25 08:55:32. Forecast: 25/10/25 to 31/10/25. Timezone: UTC+2.00