Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 26

Full Moon 99%

16:59

09:30

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: 07:29, Set: 17:24, Transit: 12:25. Moon - Rise: 16:59, Set: 09:30. Civil Dark: 17:59 - 06:54. Nautical Dark: 18:39 - 06:14. Astro Dark: 19:18 - 05:35

Total Clouds (% Sky Obscured)

99
100
99
100
100
100
100
95
86
88
83
85
85
86
44
38
45
71
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

75
65
56
84
94
100
100
84
86
88
82
85
85
85
44
38
44
53
87
89
80
45
27
22

Medium Clouds (% Sky Obscured)

77
95
95
100
100
100
100
49
0
0
0
0
0
0
0
0
0
0
0
0
11
11
32
43

High Clouds (% Sky Obscured)

99
64
84
67
100
53
3
0
0
0
0
0
0
1
0
2
1
56
67
99
100
100
100
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
0
7
50
51
39
40
31
4
5
1
4
0
0
0
0
0
0
4
0
1
0
0
2

Precipitation Amount (mm)

0
0
0
0
0.2
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
12
13
13
13
14
14
15
14
14
14
13
13
13
13
14
14
14
15
15
15
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
73
65
64
68
76
83
86
87
87
86
84
84
83
83
89
90
93
92
92
87
86
82
75

Pressure (mb)

1014
1014
1013
1012
1012
1011
1011
1011
1010
1010
1011
1011
1011
1010
1010
1010
1009
1009
1010
1010
1010
1010
1010
1010

Ozone (du)

269
266
264
264
264
264
265
265
265
264
266
267
270
270
269
269
270
268
265
262
258
259
260
261

Tuesday 27

Waning Gibbous 95%

17:24

11:00

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

Sun - Rise: 07:31, Set: 17:22, Transit: 12:25. Moon - Rise: 17:24, Set: 11:00. Civil Dark: 17:57 - 06:55. Nautical Dark: 18:37 - 06:15. Astro Dark: 19:16 - 05:36

Total Clouds (% Sky Obscured)

100
100
100
99
98
98
83
55
46
27
28
22
29
36
39
34
37
35
28
21
25
21
36
58

Low Clouds (% Sky Obscured)

57
66
90
35
35
51
57
55
34
21
26
21
25
30
37
30
29
28
25
19
23
14
23
30

Medium Clouds (% Sky Obscured)

45
99
67
37
98
97
42
37
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
13

High Clouds (% Sky Obscured)

100
100
100
98
70
21
23
0
0
0
0
0
0
0
0
1
3
0
0
0
0
3
4
20

ISS Passover

Visibility (miles)

9
9
9
9
4
3
9
6
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
Very 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
None
None

Precipitation Probability (%)

20
26
75
95
95
61
57
29
3
5
9
4
3
13
8
11
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.3
1.1
0.9
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
17
16
16
16
10
9
8
10
10
11
10
9
9
8
7
7
6
6
6
5
6
8
10

Chance of Frost

Temperature (°C)

16
17
17
17
15
14
13
13
13
12
12
12
11
11
11
10
10
10
10
10
10
11
13
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
67
67
68
84
89
87
87
79
76
75
76
76
77
77
78
80
78
77
77
76
73
65
61

Pressure (mb)

1010
1009
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1021
1022
1022
1023
1024
1025
1025
1026
1026

Ozone (du)

260
260
261
265
271
271
268
269
281
291
293
295
300
301
304
305
305
309
310
311
309
309
308
306

Wednesday 28

Waning Gibbous 88%

18:02

No Set

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

Sun - Rise: 07:32, Set: 17:20, Transit: 12:25. Moon - Rise: 18:02, Set: No Set. Civil Dark: 17:55 - 06:57. Nautical Dark: 18:35 - 06:17. Astro Dark: 19:14 - 05:38

Total Clouds (% Sky Obscured)

94
69
63
66
80
99
84
100
89
47
32
25
28
22
24
48
40
46
48
43
37
31
37
41

Low Clouds (% Sky Obscured)

2
18
27
23
30
43
46
32
29
22
23
20
27
19
21
33
33
30
25
27
26
28
32
31

Medium Clouds (% Sky Obscured)

24
37
30
48
43
41
48
23
22
15
4
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

86
24
37
50
68
97
75
100
82
12
0
0
0
2
2
14
9
46
48
40
29
18
25
33

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

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)

11
11
11
10
8
7
5
5
5
5
5
5
5
5
5
5
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
8
9
9
9
9
9
9
9
9
8
8
8
8
8
7
7
7
8
7
7

Relative Humidity (%)

59
59
57
60
67
72
76
77
79
80
83
86
87
85
85
87
87
87
87
87
85
81
73
69

Pressure (mb)

1026
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029

Ozone (du)

306
304
301
298
295
293
291
289
287
288
286
282
280
277
275
275
274
274
273
271
271
271
270
270

Thursday 29

Waning Gibbous 79%

18:58

12:18

12 Bad
13 OK
14 OK
15 OK
16 OK
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: 07:34, Set: 17:18, Transit: 12:25. Moon - Rise: 18:58, Set: 12:18. Civil Dark: 17:53 - 06:59. Nautical Dark: 18:33 - 06:19. Astro Dark: 19:12 - 05:40

Total Clouds (% Sky Obscured)

48
44
40
31
41
55
86
98
100
66
87
76
62
76
88
99
100
96
86
69
89
92
75
79

Low Clouds (% Sky Obscured)

29
25
16
12
11
9
8
6
3
0
6
14
21
29
38
47
57
59
70
58
55
53
44
36

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

34
36
31
17
27
43
75
97
100
51
87
73
60
75
88
98
84
63
37
13
42
45
23
38

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
4
3
0
1
2
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
15
15
14
13
12
11
9
8
10
7
7
6
6
6
5
5
5
5
6
7
7
9

Dew Point (°C)

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

Relative Humidity (%)

64
62
60
60
66
74
79
81
83
83
82
82
82
81
81
79
79
81
79
79
79
74
68
60

Pressure (mb)

1029
1029
1029
1029
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

268
266
264
263
263
263
262
261
261
261
260
259
258
257
257
257
257
256
255
256
255
255
255
255

Friday 30

Waning Gibbous 69%

20:11

13:18

12 Bad
13 Bad
14 Bad
15 OK
16 OK
17 OK
18 OK
19 OK
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 OK

Sun - Rise: 07:36, Set: 17:16, Transit: 12:25. Moon - Rise: 20:11, Set: 13:18. Civil Dark: 17:52 - 07:00. Nautical Dark: 18:32 - 06:20. Astro Dark: 19:11 - 05:41

Total Clouds (% Sky Obscured)

74
65
59
48
44
43
37
43
54
64
66
58
67
65
64
62
75
87
99
93
86
77
57
37

Low Clouds (% Sky Obscured)

36
31
24
20
18
15
14
16
19
24
27
32
63
53
42
32
34
38
37
33
28
24
17
10

Medium Clouds (% Sky Obscured)

0
3
3
3
3
11
28
30
54
44
54
6
31
37
42
48
35
23
11
18
25
31
22
13

High Clouds (% Sky Obscured)

39
33
35
34
29
30
24
24
52
53
28
8
3
6
7
9
39
68
97
81
68
54
43
27

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
54
53
55
62
70
73
74
76
74
74
75
77
77
78
81
81
82
84
84
78
74
69
64

Pressure (mb)

1028
1028
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029

Ozone (du)

254
254
254
255
255
256
257
257
257
258
259
259
259
260
261
261
262
262
262
262
262
263
263
263

Saturday 31

Waning Gibbous 57%

21:37

13:59

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

Sun - Rise: 07:38, Set: 17:14, Transit: 12:25. Moon - Rise: 21:37, Set: 13:59. Civil Dark: 17:50 - 07:02. Nautical Dark: 18:30 - 06:22. Astro Dark: 19:09 - 05:43

Total Clouds (% Sky Obscured)

17
28
33
38
23
12
0
0
0
0
6
8
14
43
65
87
91
95
98
93
86
78
66
56

Low Clouds (% Sky Obscured)

5
3
2
0
0
0
0
0
0
0
6
8
14
43
63
74
74
64
65
52
46
40
29
22

Medium Clouds (% Sky Obscured)

3
7
10
14
16
12
0
0
0
0
6
8
14
43
65
67
65
58
51
66
80
78
65
38

High Clouds (% Sky Obscured)

8
21
33
38
23
12
0
0
0
0
5
5
9
14
17
19
18
10
1
1
1
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
1
3
4
26
45
63
69
67
64
57
49
39
34
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
13
13
13
12
12
11
7
7
8
7
7
7
6
6
6
6
6
6
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

60
55
57
59
60
64
67
70
70
72
73
73
73
74
78
84
88
88
87
85
85
85
82
73

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1031
1032
1032
1033
1033

Ozone (du)

263
263
263
264
264
265
266
267
267
267
268
270
272
274
274
274
274
274
274
274
275
276
277
279

Sunday 1

Third Quarter 46%

23:05

14:26

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: 07:40, Set: 17:12, Transit: 12:25. Moon - Rise: 23:05, Set: 14:26. Civil Dark: 17:48 - 07:04. Nautical Dark: 18:28 - 06:24. Astro Dark: 19:07 - 05:44

Total Clouds (% Sky Obscured)

47
47
47
47
51
55
59
53
49
47
51
55
56
53
53
49
63
77
91

Low Clouds (% Sky Obscured)

9
11
15
19
27
36
45
28
15
6
10
16
22
29
36
39
50
63
77

Medium Clouds (% Sky Obscured)

14
17
23
25
23
21
22
25
27
27
21
15
12
12
13
19
18
24
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
9
13

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

18
14
12
12
15
17
20
17
14
10
10
10
11
12
13
13
11
8
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
58
59
60
61
63
64
66
64
64
63
64
65
66
65
66
66
64
63

Pressure (mb)

1034
1034
1034
1034
1035
1035
1036
1036
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037

Ozone (du)

280
282
283
285
286
285
283
281
281
281
281
283
285
286
288
290
292
294
296

Forecast for Leiden, Gemeente Leiden, Netherlands (52.16,4.50)

Generated: 26/10/26 11:33:12. Forecast: 25/10/26 to 01/11/26. Timezone: UTC+1.00