Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 9

Waning Crescent 2%

07:44

18:13

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

Sun - Rise: 07:56, Set: 18:58, Transit: 13:26. Moon - Rise: 07:44, Set: 18:13. Civil Dark: 19:32 - 07:22. Nautical Dark: 20:11 - 06:43. Astro Dark: 20:50 - 06:04

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
100
100
100
79
95
55
63
61
67
53
36
34
36
35
33
58
67

Low Clouds (% Sky Obscured)

93
94
95
97
95
92
90
85
93
95
69
84
36
48
61
67
30
28
26
31
28
27
58
67

Medium Clouds (% Sky Obscured)

93
99
100
73
95
96
96
71
100
99
57
91
37
34
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
69
4
13
65
0
0
0
10
0
0
0
0
16
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
3
1
3
9
9
9
2
5
9
8
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

46
83
95
95
90
57
64
95
95
95
95
95
95
73
25
11
14
3
5
7
18
20
23
28

Precipitation Amount (mm)

0
0.3
0.7
0.7
0.5
0
0
0.6
1
1.4
0.6
0.7
1
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
17
17
17
15
16
17
17
16
15
16
15
17
16
14
11
9
9
9
9
9
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
5
6
7
10
10
11
11
11
12
12
13
12
14
13
12
11
11
11
11
10
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

88
87
93
98
95
92
90
87
93
93
90
89
87
86
87
79
82
84
83
83
83
81
83
81

Pressure (mb)

1011
1011
1010
1010
1009
1009
1008
1008
1007
1007
1007
1006
1006
1007
1007
1007
1008
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

274
274
274
276
276
277
275
276
273
274
277
278
279
280
282
285
289
292
294
297
299
300
302
305

Saturday 10

New Moon 0%

09:03

18:25

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

Sun - Rise: 07:58, Set: 18:56, Transit: 13:26. Moon - Rise: 09:03, Set: 18:25. Civil Dark: 19:30 - 07:24. Nautical Dark: 20:09 - 06:45. Astro Dark: 20:48 - 06:05

Total Clouds (% Sky Obscured)

65
74
89
68
91
77
67
50
82
95
92
100
100
100
92
70
75
78
84
99
100
100
87
86

Low Clouds (% Sky Obscured)

65
64
87
53
88
77
67
30
77
89
80
63
92
85
86
41
66
77
81
86
86
85
82
83

Medium Clouds (% Sky Obscured)

3
27
25
32
15
0
0
34
48
81
60
100
74
60
32
45
36
11
28
58
60
65
24
26

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
8
8
8
8
9
7
8
5
9
4
6
8
9
9
9
9
9
9
9
9
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
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
None
Light Rain
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

38
62
87
91
91
63
51
64
57
57
69
83
74
86
63
58
53
41
52
62
67
69
71
70

Precipitation Amount (mm)

0
0.2
0.6
0.6
0.6
0
0
0.3
0.2
0
0.3
0.5
0
0.6
0
0
0
0
0
0.3
0.4
0.4
0.4
0.4

Wind Speed/Direction (mph)

10
13
15
15
15
15
17
17
16
15
11
11
10
10
10
10
10
9
10
10
10
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
75
72
70
64
67
64
63
71
75
79
81
78
76
72
68
69
67
63
62
59
58
65
78

Pressure (mb)

1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

306
305
306
306
308
306
305
306
308
306
306
308
312
315
314
313
311
309
307
307
307
306
304
304

Sunday 11

Waxing Crescent 1%

09:03

18:39

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

Sun - Rise: 08:00, Set: 18:54, Transit: 13:26. Moon - Rise: 09:03, Set: 18:39. Civil Dark: 19:27 - 07:26. Nautical Dark: 20:06 - 06:47. Astro Dark: 20:46 - 06:07

Total Clouds (% Sky Obscured)

72
77
82
82
86
82
83
87
83
68
67
66
47
54
51
46
43
49
51
52
50
53
55
71

Low Clouds (% Sky Obscured)

49
36
27
32
33
41
32
35
28
24
24
25
26
48
51
46
43
49
51
52
50
53
55
71

Medium Clouds (% Sky Obscured)

31
28
32
30
24
20
25
35
36
20
2
0
10
2
0
0
0
0
0
0
0
0
0
8

High Clouds (% Sky Obscured)

3
27
25
25
20
25
25
25
20
25
30
35
2
0
0
0
0
0
0
0
2
5
7
19

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

68
57
61
51
43
35
33
26
22
13
6
2
2
2
3
2
0
0
0
0
0
1
0
0

Precipitation Amount (mm)

0.5
0.2
0.3
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)

9
10
12
14
14
14
13
12
10
8
6
5
4
4
3
3
4
4
4
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
76
70
60
50
48
48
50
54
60
66
68
71
73
72
69
71
79
87
88
90
91
90
90

Pressure (mb)

1010
1010
1011
1011
1011
1012
1012
1012
1012
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1017
1017
1017
1018
1018

Ozone (du)

304
304
304
304
302
300
299
299
299
298
298
299
300
300
300
302
302
300
295
294
292
290
289
287

Monday 12

Waxing Crescent 4%

10:21

18:56

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

Sun - Rise: 08:01, Set: 18:51, Transit: 13:25. Moon - Rise: 10:21, Set: 18:56. Civil Dark: 19:25 - 07:27. Nautical Dark: 20:04 - 06:48. Astro Dark: 20:44 - 06:09

Total Clouds (% Sky Obscured)

78
68
65
63
79
98
99
66
99
99
98
97
98
97
88
100
96
95
75
93
95
97
98
99

Low Clouds (% Sky Obscured)

42
14
14
14
12
11
6
2
10
39
80
78
59
28
43
71
89
54
47
42
61
96
98
95

Medium Clouds (% Sky Obscured)

17
23
26
28
31
33
32
30
37
43
65
39
59
50
58
89
43
85
44
42
91
42
90
78

High Clouds (% Sky Obscured)

55
48
44
54
70
95
97
53
97
95
57
55
89
95
71
64
66
54
35
22
30
37
40
60

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
7
6

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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
69
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
9
11
13
14
16
16
16
17
16
15
14
14
13
13
13
13
13
13
13
13
14
14
14

Feels Like (°C)

6
7
9
11
12
13
12
13
15
13
13
12
11
11
10
10
10
10
10
11
10
10
11
11

Dew Point (°C)

5
5
5
6
6
7
6
7
8
9
10
8
8
9
9
9
9
9
9
9
9
8
11
13

Relative Humidity (%)

87
78
68
62
57
54
52
53
58
65
71
67
68
72
76
79
75
74
76
75
72
69
80
93

Pressure (mb)

1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

287
283
279
275
272
269
267
267
267
269
269
269
268
268
267
264
263
261
259
258
257
257
258
258

Tuesday 13

Waxing Crescent 9%

11:39

19:18

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

Sun - Rise: 08:03, Set: 18:49, Transit: 13:25. Moon - Rise: 11:39, Set: 19:18. Civil Dark: 19:23 - 07:29. Nautical Dark: 20:02 - 06:50. Astro Dark: 20:41 - 06:11

Total Clouds (% Sky Obscured)

99
100
100
100
100
96
69
48
46
51
55
44
46
49
56
63
71
71
67
63
50
37
26
20

Low Clouds (% Sky Obscured)

92
89
91
94
96
93
59
35
29
30
31
24
23
21
15
9
2
3
3
3
7
10
13
9

Medium Clouds (% Sky Obscured)

47
16
14
43
13
19
22
27
33
39
45
15
8
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

80
100
100
73
75
82
17
0
8
17
20
10
20
32
45
56
71
67
67
63
48
33
18
12

ISS Passover

Visibility (miles)

5
9
9
9
9
9
9
5
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 (%)

39
5
3
18
10
29
34
41
27
30
34
14
17
11
7
7
1
6
6
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)

12
12
12
12
13
14
13
14
13
10
8
7
6
5
5
5
5
5
4
4
3
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
95
96
95
92
84
86
84
89
92
90
89
90
90
92
92
92
92
95
93
95
95

Pressure (mb)

1020
1020
1020
1021
1021
1021
1022
1022
1022
1023
1024
1024
1024
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1027

Ozone (du)

261
262
263
263
265
265
268
272
274
276
277
277
278
279
279
282
285
288
292
295
298
299
300
301

Wednesday 14

Waxing Crescent 15%

12:52

19:48

09 OK
10 Good
11 Good
12 OK
13 OK
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

Sun - Rise: 08:05, Set: 18:47, Transit: 13:25. Moon - Rise: 12:52, Set: 19:48. Civil Dark: 19:21 - 07:31. Nautical Dark: 20:00 - 06:52. Astro Dark: 20:39 - 06:12

Total Clouds (% Sky Obscured)

12
1
12
23
34
56
78
100
94
87
81
84
89
94
81
71
62
64
72
79
74
67
62
71

Low Clouds (% Sky Obscured)

4
0
3
5
8
10
10
12
10
9
7
18
27
35
31
23
14
29
45
64
56
47
39
45

Medium Clouds (% Sky Obscured)

0
0
0
0
0
5
10
14
21
29
35
38
49
61
69
71
62
64
69
64
60
55
55
55

High Clouds (% Sky Obscured)

7
1
6
11
16
45
74
100
94
87
81
84
89
94
81
67
50
49
58
65
57
49
36
51

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
7
11
12
11
8
1
9
16
20
25
23
16
15

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

Chance of Frost

Temperature (°C)

11
13
14
16
17
18
18
18
18
17
15
14
14
13
13
13
13
13
13
13
13
13
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
84
80
73
67
61
61
61
61
66
73
79
83
87
90
92
92
95
93
90
89
89
90
90

Pressure (mb)

1027
1027
1028
1027
1027
1026
1026
1025
1025
1024
1024
1024
1023
1023
1022
1022
1021
1020
1020
1019
1019
1018
1018
1017

Ozone (du)

301
300
300
301
301
301
300
299
298
298
298
298
297
296
296
296
297
297
297
298
298
298
297
296

Thursday 15

Waxing Crescent 23%

13:57

20:29

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
00 Bad
01 Bad

Sun - Rise: 08:06, Set: 18:45, Transit: 13:25. Moon - Rise: 13:57, Set: 20:29. Civil Dark: 19:19 - 07:32. Nautical Dark: 19:58 - 06:53. Astro Dark: 20:37 - 06:14

Total Clouds (% Sky Obscured)

82
91
95
97
100
100
100
99
100
100
100
100
100
100
90
80
70

Low Clouds (% Sky Obscured)

50
56
48
37
29
30
30
31
44
57
70
68
69
70
55
37
22

Medium Clouds (% Sky Obscured)

55
60
60
65
65
70
79
89
90
92
94
79
63
48
43
38
39

High Clouds (% Sky Obscured)

68
82
89
96
100
92
85
78
85
92
98
99
99
100
81
63
44

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
5
3
5
7
9
9
9
9
9
9

Fog (%)

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

Precipitation Probability (%)

16
13
22
25
27
34
51
74
95
95
95
87
60
33
42
42
34

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.7
1.1
1.2
0.6
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
16
17
18
19
19
18
18
17
15
14
14
14
14
13
13

Feels Like (°C)

12
12
13
15
15
16
18
18
17
16
16
15
12
12
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

89
84
83
78
72
68
76
85
93
93
95
95
92
89
84
87
87

Pressure (mb)

1017
1017
1017
1016
1016
1015
1015
1015
1014
1015
1015
1015
1016
1016
1016
1016
1016

Ozone (du)

296
296
295
295
295
294
297
299
302
304
307
310
313
316
319
321
323

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

Generated: 09/10/26 09:15:41. Forecast: 09/10/26 to 15/10/26. Timezone: UTC+2.00