Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 25

Waxing Crescent 15%

13:05

19:39

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:25, Set: 18:25, Transit: 13:24. Moon - Rise: 13:05, Set: 19:39. Civil Dark: 18:59 - 06:50. Nautical Dark: 19:39 - 06:11. Astro Dark: 20:18 - 05:32

Total Clouds (% Sky Obscured)

100
100
100
95
100
100
92
96
87
90
58
30
54
75
68
32
52
34
80
70
100
92
94
100

Low Clouds (% Sky Obscured)

87
80
66
71
66
70
78
89
80
83
58
30
54
66
56
32
52
12
12
34
89
83
85
57

Medium Clouds (% Sky Obscured)

64
93
84
86
89
62
86
93
65
31
1
2
35
14
25
11
0
15
52
70
100
59
83
56

High Clouds (% Sky Obscured)

99
100
39
24
0
60
15
10
0
0
0
0
0
0
0
0
0
0
0
0
3
2
7
96

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

29
95
95
76
83
67
58
53
29
22
21
32
29
35
43
32
24
15
16
41
59
25
32
33

Precipitation Amount (mm)

0
0.7
1.2
0.3
0.5
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
9
10
10
9
7
7
6
5
5
6
6
4
4
3
3
4
2
2
2
3
4
4
5

Relative Humidity (%)

91
93
87
88
83
76
76
73
73
76
77
81
75
77
74
77
81
71
74
70
75
79
77
75

Pressure (mb)

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

Ozone (du)

327
326
325
325
329
328
322
320
316
305
309
307
300
289
292
296
298
297
297
292
288
289
290
289

Sunday 26

Waxing Crescent 22%

13:04

19:27

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:27, Set: 17:23, Transit: 12:24. Moon - Rise: 13:04, Set: 19:27. Civil Dark: 17:57 - 06:52. Nautical Dark: 18:37 - 06:12. Astro Dark: 19:16 - 05:34

Total Clouds (% Sky Obscured)

97
83
90
69
100
94
100
88
85
97
100
98
90
100
94
100
84
84
77
82
89
84
87
100

Low Clouds (% Sky Obscured)

65
71
79
69
72
62
64
59
58
77
93
95
88
100
76
65
73
67
63
66
68
73
78
80

Medium Clouds (% Sky Obscured)

38
24
54
1
81
57
70
44
81
95
100
96
74
64
85
97
30
38
24
26
47
28
34
81

High Clouds (% Sky Obscured)

75
5
4
5
90
6
1
1
15
15
10
5
5
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
4
4
3
5
3
9
3
9
9
9
9
7
5

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

Precipitation Probability (%)

19
40
51
34
11
4
9
1
6
33
82
95
87
73
72
67
93
57
52
56
64
79
84
90

Precipitation Amount (mm)

0
0.2
0.3
0
0
0
0
0
0
0
0.5
1.1
0.5
0.3
0.2
0
0.6
0
0
0
0.2
0.5
0.5
0.5

Wind Speed/Direction (mph)

18
19
19
19
20
19
18
16
14
12
12
14
16
18
19
19
16
15
16
17
17
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
4
4
4
3
2
1
1
2
6
7
7
7
7
8
8
7
6
6
6
6
6

Relative Humidity (%)

73
74
70
68
68
70
64
60
56
58
62
87
91
93
93
95
95
84
77
73
74
78
78
77

Pressure (mb)

1004
1004
1005
1005
1005
1005
1005
1005
1005
1004
1004
1003
1003
1001
1000
999
998
997
997
997
998
998
998
998

Ozone (du)

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

Monday 27

Waxing Crescent 31%

13:50

20:29

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 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:28, Set: 17:21, Transit: 12:24. Moon - Rise: 13:50, Set: 20:29. Civil Dark: 17:56 - 06:54. Nautical Dark: 18:35 - 06:14. Astro Dark: 19:14 - 05:35

Total Clouds (% Sky Obscured)

100
100
99
76
69
54
51
55
63
47
29
59
68
34
64
84
78
87
80
97
100
100
98
100

Low Clouds (% Sky Obscured)

83
86
97
67
54
54
51
55
63
47
29
45
46
25
51
68
64
57
80
80
75
80
85
90

Medium Clouds (% Sky Obscured)

76
97
62
63
54
30
1
1
1
19
25
48
56
10
16
21
15
26
23
45
83
93
87
93

High Clouds (% Sky Obscured)

0
0
0
0
4
0
0
0
0
0
0
0
0
0
2
5
2
26
8
26
94
68
38
11

ISS Passover

Visibility (miles)

8
5
5
6
8
3
9
9
9
5
9
6
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
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
89
64
39
36
42
49
46
42
32
9
6
2
16
12
1
0
6
14
21
29

Precipitation Amount (mm)

0.9
0.6
0.8
0.5
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
19
20
19
19
18
16
14
13
13
12
10
10
10
8
9
9
9
9
8
9
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
75
76
81
80
83
81
77
77
78
80
84
82
79
82
74
77
79
78
85
87
88
88
87

Pressure (mb)

998
999
999
999
999
1000
1001
1002
1004
1005
1006
1007
1007
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

292
294
296
296
296
297
297
296
294
292
293
292
290
291
290
288
284
283
281
279
276
275
274
273

Tuesday 28

Waxing Crescent 41%

14:23

21:42

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:30, Set: 17:19, Transit: 12:24. Moon - Rise: 14:23, Set: 21:42. Civil Dark: 17:54 - 06:55. Nautical Dark: 18:33 - 06:16. Astro Dark: 19:12 - 05:37

Total Clouds (% Sky Obscured)

99
98
97
98
99
99
95
92
88
86
77
87
70
57
44
54
63
73
77
82
86
91
95
99

Low Clouds (% Sky Obscured)

91
92
90
86
85
84
63
61
61
62
61
63
57
50
44
48
52
56
56
56
56
51
43
37

Medium Clouds (% Sky Obscured)

97
93
92
77
96
39
38
29
71
77
26
25
17
9
0
9
16
24
23
24
27
41
46
53

High Clouds (% Sky Obscured)

35
54
73
69
69
60
60
40
0
1
0
0
0
0
0
0
0
0
15
30
45
61
78
93

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 (%)

53
39
30
25
44
34
37
34
36
38
34
36
38
32
28
21
11
16
8
17
4
6
7
4

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)

14
15
18
20
20
20
20
18
17
17
17
16
16
16
13
11
10
9
9
9
9
10
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
84
83
80
79
74
75
79
77
76
81
83
86
81
86
88
88
93
95
95
96
95
96
95

Pressure (mb)

1008
1008
1007
1007
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1009
1009
1009
1009
1010

Ozone (du)

273
272
270
270
269
269
271
270
270
270
269
269
271
270
270
269
269
269
269
269
267
267
269
269

Wednesday 29

First Quarter 51%

14:48

23:00

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:32, Set: 17:17, Transit: 12:24. Moon - Rise: 14:48, Set: 23:00. Civil Dark: 17:52 - 06:57. Nautical Dark: 18:32 - 06:17. Astro Dark: 19:10 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
98
92
95
73
58
42
49
50
66
78
89
100
100
100
100
98
95
93

Low Clouds (% Sky Obscured)

64
79
93
94
86
82
74
70
59
54
49
42
38
33
30
34
41
43
48
54
57
58
60
61

Medium Clouds (% Sky Obscured)

56
58
50
45
45
50
50
45
50
33
21
2
10
15
22
31
36
35
42
57
72
77
84
88

High Clouds (% Sky Obscured)

95
97
100
100
100
99
98
92
95
67
32
0
6
11
19
46
73
100
100
100
100
86
72
59

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 (%)

16
23
34
31
31
20
15
8
0
2
2
0
0
0
0
4
6
6
7
7
2
8
11
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
90
87
86
78
77
84
88
88
87
88
91
91
93
93
93
93
93
93
93
93
93
93

Pressure (mb)

1010
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1008
1007
1007
1006
1006
1005
1005
1005
1004
1004
1004
1004
1004

Ozone (du)

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

Thursday 30

Waxing Gibbous 61%

15:06

00:22

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:34, Set: 17:15, Transit: 12:24. Moon - Rise: 15:06, Set: 00:22. Civil Dark: 17:50 - 06:59. Nautical Dark: 18:30 - 06:19. Astro Dark: 19:09 - 05:40

Total Clouds (% Sky Obscured)

81
70
60
73
88
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

56
51
48
54
60
61
70
80
88
83
78
73
64
55
45
46
49
55
58
62
66
68
71
71

Medium Clouds (% Sky Obscured)

81
70
60
60
67
70
59
45
33
34
44
54
63
76
89
93
96
100
97
95
92
88
85
83

High Clouds (% Sky Obscured)

43
27
11
41
70
95
93
95
97
95
97
100
97
95
89
92
98
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
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 (%)

18
19
16
25
31
39
26
15
6
7
9
6
6
7
9
20
30
39
43
40
36
41
36
24

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
10
10
10
10
9
9
10
10
11
11
11
12
13
14
15
15
16
17
18
19
20
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
92
93
93
95
93
93
93
93
93
93
93
92
93
92
90
89
89
87
89
84
80

Pressure (mb)

1005
1004
1004
1004
1003
1003
1003
1003
1003
1002
1002
1002
1002
1001
1000
1000
999
999
998
998
998
998
999
999

Ozone (du)

263
262
261
261
262
263
264
263
263
262
262
263
263
263
263
263
264
264
264
265
267
268
270
271

Friday 31

Waxing Gibbous 72%

15:20

01:44

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:36, Set: 17:13, Transit: 12:23. Moon - Rise: 15:20, Set: 01:44. Civil Dark: 17:48 - 07:00. Nautical Dark: 18:28 - 06:20. Astro Dark: 19:07 - 05:41

Total Clouds (% Sky Obscured)

100
100
100
99
99
99
86
76
64
70
76
83
84
79
75
71
72
77
79
81
87

Low Clouds (% Sky Obscured)

82
91
100
85
71
56
40
23
7
20
35
52
57
59
59
56
48
41
43
46
52

Medium Clouds (% Sky Obscured)

78
74
72
63
54
44
39
33
20
13
13
14
19
23
28
33
33
33
34
34
35

High Clouds (% Sky Obscured)

100
100
99
99
99
99
78
55
33
28
23
13
22
30
30
21
13
9
16
23
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

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

Precipitation Probability (%)

16
13
7
19
21
17
12
7
1
24
34
41
50
57
64
51
35
4
11
13
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
18
18
17
18
18
18
19
20
20
20
20
20
19
18
17
16
16
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
76
76
76
73
68
65
67
68
69
71
73
75
76
77
78
80
81
82
83
83

Pressure (mb)

1000
1001
1001
1001
1002
1002
1003
1003
1003
1003
1004
1004
1005
1005
1006
1006
1007
1007
1007
1007
1008

Ozone (du)

273
273
274
274
279
283
287
288
289
290
290
290
291
290
290
289
288
288
287
286
285

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

Generated: 25/10/25 10:46:37. Forecast: 25/10/25 to 31/10/25. Timezone: UTC+2.00