Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 29

First Quarter 61%

15:06

22:58

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

Sun - Rise: 07:32, Set: 17:13, Transit: 12:23. Moon - Rise: 15:06, Set: 22:58. Civil Dark: 17:49 - 06:56. Nautical Dark: 18:29 - 06:17. Astro Dark: 19:08 - 05:37

Total Clouds (% Sky Obscured)

100
100
100
100
86
78
51
49
55
56
59
49
58
54
53
52
54
30
34
29
66
88
100
100

Low Clouds (% Sky Obscured)

84
84
83
100
79
66
51
49
55
56
59
49
58
54
53
52
54
28
30
11
0
0
0
45

Medium Clouds (% Sky Obscured)

100
100
100
100
79
57
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
73
20
50

High Clouds (% Sky Obscured)

100
96
100
18
5
0
0
0
0
0
0
0
0
1
1
0
2
6
12
10
62
84
100
100

ISS Passover

Visibility (miles)

4
3
4
2
7
5
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
93
41
15
3
4
6
8
6
12
8
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.1
1.4
1
2.2
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
95
91
91
85
85
84
85
88
88
84
81
75
73
70
69
71
75
80
85
82
82

Pressure (mb)

997
996
996
996
997
998
999
1000
1001
1003
1004
1005
1006
1007
1008
1009
1010
1010
1011
1011
1012
1012
1012
1012

Ozone (du)

267
273
274
276
279
288
294
291
288
286
280
276
271
269
268
265
262
261
261
260
258
258
261
262

Thursday 30

Waxing Gibbous 72%

15:20

00:20

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

Sun - Rise: 07:34, Set: 17:12, Transit: 12:23. Moon - Rise: 15:20, Set: 00:20. Civil Dark: 17:47 - 06:58. Nautical Dark: 18:27 - 06:18. Astro Dark: 19:06 - 05:39

Total Clouds (% Sky Obscured)

96
100
100
88
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
100
100
100
99
81

Low Clouds (% Sky Obscured)

18
0
0
0
0
0
0
0
0
0
0
29
38
28
37
50
67
70
36
23
9
33
19
0

Medium Clouds (% Sky Obscured)

61
80
22
71
62
15
18
0
2
100
100
100
99
100
97
100
100
100
95
100
100
100
77
65

High Clouds (% Sky Obscured)

74
100
100
73
100
100
100
100
100
100
100
100
100
100
100
100
100
100
61
100
100
100
1
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
Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
4
18
11
14
20
15
57
25
13
30
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
5
6
5
4
5
4
5
5
5
5
5
6
8
8
8
9
10
10
8
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

81
84
85
85
85
81
82
82
81
81
79
79
78
76
72
72
71
71
74
76
90
90
88
90

Pressure (mb)

1012
1012
1012
1012
1012
1012
1011
1011
1010
1011
1010
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

260
261
264
260
259
260
260
261
263
265
266
267
267
269
269
270
271
269
268
269
270
273
272
273

Friday 31

Waxing Gibbous 68%

15:32

01:43

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

Sun - Rise: 07:35, Set: 17:10, Transit: 12:23. Moon - Rise: 15:32, Set: 01:43. Civil Dark: 17:45 - 07:00. Nautical Dark: 18:25 - 06:20. Astro Dark: 19:05 - 05:41

Total Clouds (% Sky Obscured)

84
53
24
100
100
100
95
100
97
100
100
100
100
99
100
98
99
100
100
97
73
55
43
41

Low Clouds (% Sky Obscured)

26
30
24
24
26
21
12
9
0
12
63
77
85
79
69
73
75
70
67
55
44
32
27
25

Medium Clouds (% Sky Obscured)

61
27
0
0
81
72
71
64
59
77
87
100
100
81
45
49
81
65
45
45
0
0
1
3

High Clouds (% Sky Obscured)

0
0
0
95
95
95
76
100
52
100
100
76
66
96
99
73
80
92
100
95
29
19
12
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
1
3
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
Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

7
0
0
0
0
10
0
0
2
30
80
58
75
66
22
36
95
95
95
64
28
1
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.6
0.2
0.5
0.4
0
0
0.6
1.7
2.4
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
90
87
88
88
90
90
87
84
83
83
80
79
76
74
73
86
93
95
95
95
95
93

Pressure (mb)

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

Ozone (du)

273
272
274
274
275
274
274
276
276
278
281
283
284
284
285
284
284
287
290
294
294
294
296
298

Saturday 1

Waxing Gibbous 81%

15:44

03:07

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

Sun - Rise: 07:37, Set: 17:08, Transit: 12:23. Moon - Rise: 15:44, Set: 03:07. Civil Dark: 17:44 - 07:02. Nautical Dark: 18:24 - 06:21. Astro Dark: 19:03 - 05:42

Total Clouds (% Sky Obscured)

38
40
48
77
83
90
97
89
81
75
72
72
70
80
90
100
96
100
100
88
76
66
31
26

Low Clouds (% Sky Obscured)

22
32
44
59
60
61
61
60
58
57
56
54
53
59
66
72
63
55
50
54
58
58
31
26

Medium Clouds (% Sky Obscured)

5
3
1
0
13
26
44
38
41
59
60
58
57
62
53
64
71
100
83
45
39
2
2
0

High Clouds (% Sky Obscured)

9
10
8
40
26
7
9
2
1
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
6
5
4
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

1
3
5
4
5
4
0
1
1
1
3
4
2
3
5
12
55
94
95
53
28
10
5
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.7
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
91
93
95
95
96
96
96
95
95
93
91
87
83
80
80
83
93
91
90
90
93

Pressure (mb)

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

Ozone (du)

300
299
299
300
300
301
305
306
307
308
309
311
314
314
314
316
319
319
316
314
315
315
313
309

Sunday 2

Waxing Gibbous 90%

15:56

04:34

21 OK
22 OK
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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:39, Set: 17:06, Transit: 12:23. Moon - Rise: 15:56, Set: 04:34. Civil Dark: 17:42 - 07:03. Nautical Dark: 18:22 - 06:23. Astro Dark: 19:01 - 05:44

Total Clouds (% Sky Obscured)

21
36
51
63
73
82
85
89
88
86
86
90
96
97
98
99
95
91
88
89
89
88
92
96

Low Clouds (% Sky Obscured)

21
25
21
18
36
55
73
65
57
52
80
90
95
85
74
65
73
81
88
87
83
80
82
82

Medium Clouds (% Sky Obscured)

0
12
25
37
46
52
53
51
47
44
18
18
20
43
63
83
63
47
28
29
28
22
26
32

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
22
44
66
26
52
77
81
86
90
65
42
18
42
47
33
58
81

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
2
1
0
3
4
3
11
12
13
7
7
5
24
32
37
30
15
2
2
3
4
12
16

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)

8
8
9
9
9
10
10
11
12
12
13
13
14
14
15
17
18
18
18
18
18
18
18
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
95
93
94
94
94
96
94
94
96
95
91
90
87
86
83
80
79
76
75
73
71
71

Pressure (mb)

1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1015
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015

Ozone (du)

313
320
312
303
295
289
287
287
286
286
288
287
286
285
285
284
284
281
278
276
274
273
271
271

Monday 3

Waxing Gibbous 96%

16:11

06:05

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

Sun - Rise: 07:41, Set: 17:04, Transit: 12:23. Moon - Rise: 16:11, Set: 06:05. Civil Dark: 17:40 - 07:05. Nautical Dark: 18:21 - 06:25. Astro Dark: 19:00 - 05:45

Total Clouds (% Sky Obscured)

100
100
99
99
99
100
100
100
100
100
99
98
96
97
97
98
99
99
100
90
78
68
78
89

Low Clouds (% Sky Obscured)

87
90
92
93
86
76
64
46
32
19
17
11
14
12
11
6
8
9
12
12
11
6
5
3

Medium Clouds (% Sky Obscured)

34
28
23
24
22
23
27
33
36
38
40
42
44
30
17
2
1
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
90
79
69
78
87
95
82
70
58
43
28
13
42
66
91
94
97
100
86
71
59
76
89

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 (%)

19
20
15
7
16
18
19
20
20
19
15
16
12
10
7
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)

19
19
19
18
18
17
16
15
14
14
14
14
14
15
15
15
15
13
12
11
10
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
73
75
77
80
83
87
87
87
88
86
83
81
77
75
71
72
74
75
77
79
80
80

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015

Ozone (du)

270
270
269
268
268
266
265
263
262
260
259
258
257
256
257
257
257
257
257
257
257
257
257
258

Tuesday 4

Waxing Gibbous 99%

16:30

07:41

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
12 Bad

Sun - Rise: 07:43, Set: 17:03, Transit: 12:23. Moon - Rise: 16:30, Set: 07:41. Civil Dark: 17:39 - 07:07. Nautical Dark: 18:19 - 06:26. Astro Dark: 18:58 - 05:47

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

0
0
0
0
6
13
20
24
29
35
40
45
50
53
57
57

Medium Clouds (% Sky Obscured)

0
11
22
33
28
22
16
30
39
45
44
43
42
38
29
28

High Clouds (% Sky Obscured)

100
99
98
96
86
78
68
79
86
92
95
98
100
80
53
30

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
9
10
10
10
10
10
10
9
9
9
9
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
5
5
5
5
5
6
6
6
7
7
7
7

Relative Humidity (%)

80
81
81
82
81
82
82
82
84
85
87
85
84
81
76
70

Pressure (mb)

1015
1015
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1013
1013
1012

Ozone (du)

260
261
262
263
263
263
264
264
264
264
264
264
264
265
265
265

Forecast for Utrecht, Gemeente Utrecht, Netherlands (52.09,5.12)

Generated: 29/10/25 20:13:42. Forecast: 29/10/25 to 04/11/25. Timezone: UTC+1.00