Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 19

Waxing Gibbous 59%

17:32

23:34

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

Sun - Rise: 07:23, Set: 19:42, Transit: 13:32. Moon - Rise: 17:32, Set: 23:34. Civil Dark: 20:18 - 06:49. Nautical Dark: 20:58 - 06:09. Astro Dark: 21:41 - 05:27

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
67
91
100
100
100
100
97
99
78
100
78
63
38
38
40
28
100

Low Clouds (% Sky Obscured)

74
46
56
70
75
60
70
58
43
31
19
30
34
57
40
43
39
44
30
38
38
32
21
27

Medium Clouds (% Sky Obscured)

98
100
91
100
99
94
97
24
35
17
32
65
59
38
50
1
0
0
0
0
0
4
0
0

High Clouds (% Sky Obscured)

99
90
99
99
100
100
100
1
45
100
100
100
100
92
95
62
100
55
44
0
3
1
8
99

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
33
15
16
23
27
20
22
24
20
9
15
8
16
16
8
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
16
16
16
16
16
16
17
16
15
13
13
13
15
14
14
13
13
13
14
15
15
15

Dew Point (°C)

15
16
16
16
16
16
16
15
15
15
14
12
12
12
13
11
9
8
7
7
8
8
9
9

Relative Humidity (%)

76
82
84
86
86
88
86
85
85
83
81
80
78
78
77
67
56
52
50
49
51
54
59
65

Pressure (mb)

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

Ozone (du)

295
293
293
293
292
292
292
294
291
290
290
290
290
293
294
296
297
299
300
301
302
303
302
298

Sunday 20

Waxing Gibbous 68%

17:57

00:43

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
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

Sun - Rise: 07:24, Set: 19:40, Transit: 13:32. Moon - Rise: 17:57, Set: 00:43. Civil Dark: 20:16 - 06:51. Nautical Dark: 20:56 - 06:10. Astro Dark: 21:38 - 05:29

Total Clouds (% Sky Obscured)

85
100
86
54
59
92
100
65
46
77
86
80
76
100
100
94
87
87
72
75
89
81
65
60

Low Clouds (% Sky Obscured)

24
21
9
18
22
37
21
0
7
27
20
3
0
4
14
22
25
27
23
23
19
12
13
25

Medium Clouds (% Sky Obscured)

0
0
0
0
29
75
75
42
20
14
20
71
20
23
30
27
21
21
18
12
13
12
20
28

High Clouds (% Sky Obscured)

85
100
78
30
31
79
100
65
33
22
17
24
36
100
100
60
30
49
10
19
42
42
41
6

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
11
10
10
10
10
10
10
9
9
10
10
12
14
14
16
16
16
17
16
15
15
16

Dew Point (°C)

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

Relative Humidity (%)

71
74
76
75
73
72
72
71
75
75
76
80
80
78
69
61
57
52
50
48
49
52
58
67

Pressure (mb)

1028
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030

Ozone (du)

294
290
289
289
288
288
288
288
287
286
285
283
281
280
279
277
273
272
272
271
272
271
271
271

Monday 21

Waxing Gibbous 77%

18:16

01:57

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

Sun - Rise: 07:26, Set: 19:37, Transit: 13:32. Moon - Rise: 18:16, Set: 01:57. Civil Dark: 20:13 - 06:52. Nautical Dark: 20:53 - 06:12. Astro Dark: 21:35 - 05:31

Total Clouds (% Sky Obscured)

53
76
96
92
95
93
91
73
89
91
95
88
94
94
94
83
88
95
94
94
94
87
82
76

Low Clouds (% Sky Obscured)

29
48
82
92
91
89
88
72
78
82
90
87
85
85
87
83
88
91
91
89
89
84
78
75

Medium Clouds (% Sky Obscured)

19
42
71
23
16
17
12
4
8
4
4
0
15
15
15
0
3
19
22
25
25
17
10
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
8
2
15

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
1
1
1
1
1
1
0
0
2
4
12
6
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)

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

Chance of Frost

Temperature (°C)

15
14
14
14
15
15
15
14
14
14
14
15
15
16
17
19
20
21
21
21
21
21
20
19

Feels Like (°C)

15
15
14
13
13
13
13
14
14
13
13
14
14
16
18
19
20
21
21
21
21
21
21
20

Dew Point (°C)

11
11
10
9
8
8
7
8
9
9
9
10
11
13
14
15
16
17
16
16
15
15
16
15

Relative Humidity (%)

75
78
75
71
64
62
61
66
71
69
69
73
75
79
81
81
80
79
74
71
69
69
76
78

Pressure (mb)

1030
1030
1030
1030
1030
1029
1029
1029
1029
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1028
1028
1028
1027
1027

Ozone (du)

271
272
272
272
272
272
272
272
272
272
272
273
272
272
272
271
271
272
273
273
273
274
274
276

Tuesday 22

Waxing Gibbous 85%

18:31

03:14

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

Sun - Rise: 07:28, Set: 19:35, Transit: 13:31. Moon - Rise: 18:31, Set: 03:14. Civil Dark: 20:11 - 06:54. Nautical Dark: 20:51 - 06:14. Astro Dark: 21:33 - 05:33

Total Clouds (% Sky Obscured)

78
79
79
77
77
77
83
89
97
97
98
99
100
100
100
100
100
100
100
100
100
95
92
88

Low Clouds (% Sky Obscured)

72
72
72
68
66
62
62
61
64
68
74
80
78
76
74
79
83
88
83
52
51
34
25
16

Medium Clouds (% Sky Obscured)

6
7
8
9
10
10
15
17
17
20
18
19
21
20
19
18
16
17
18
19
19
16
13
12

High Clouds (% Sky Obscured)

4
5
5
7
6
5
17
31
46
49
59
80
94
98
99
96
89
96
98
100
100
85
73
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
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 (%)

2
5
3
11
0
0
0
0
0
0
0
0
0
0
0
3
4
0
1
1
0
8
6
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)

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

Chance of Frost

Temperature (°C)

18
18
17
16
16
16
15
15
15
15
15
15
15
16
17
18
19
19
20
21
21
21
21
19

Feels Like (°C)

18
18
17
16
16
15
15
15
15
15
15
15
15
16
17
18
19
20
20
21
21
21
20
19

Dew Point (°C)

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

Relative Humidity (%)

81
83
83
85
85
85
85
85
86
84
84
84
83
80
78
74
69
67
62
56
54
56
61
69

Pressure (mb)

1027
1027
1028
1028
1027
1027
1026
1026
1026
1025
1025
1025
1025
1024
1024
1024
1024
1023
1023
1022
1021
1020
1020
1020

Ozone (du)

276
276
275
275
275
275
277
276
275
275
277
278
279
280
279
279
278
277
277
277
278
278
279
282

Wednesday 23

Waxing Gibbous 92%

18:43

04:32

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
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

Sun - Rise: 07:29, Set: 19:33, Transit: 13:31. Moon - Rise: 18:43, Set: 04:32. Civil Dark: 20:09 - 06:56. Nautical Dark: 20:48 - 06:16. Astro Dark: 21:30 - 05:34

Total Clouds (% Sky Obscured)

91
93
96
78
50
36
49
63
100
99
98
97
78
77
76
78
79
78
72
66
60
58
59
57

Low Clouds (% Sky Obscured)

54
81
92
74
50
36
49
63
100
98
96
89
74
77
76
70
60
51
45
43
38
31
21
16

Medium Clouds (% Sky Obscured)

13
15
12
8
5
0
8
17
25
20
15
12
0
0
0
1
2
3
2
2
2
0
0
0

High Clouds (% Sky Obscured)

50
7
0
1
0
0
0
0
15
10
15
15
35
35
50
45
36
29
27
26
26
33
43
57

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
Very Light Rain
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 (%)

51
65
74
54
35
6
12
14
5
11
10
10
8
8
4
7
7
3
4
3
0
5
3
0

Precipitation Amount (mm)

0
0.2
0.4
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)

7
6
9
15
13
12
9
11
13
16
16
16
17
6
6
6
6
7
8
8
9
10
8
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
72
72
81
77
74
79
79
77
61
60
59
57
57
57
59
54
49
45
47
47
48
55
61

Pressure (mb)

1019
1020
1020
1020
1020
1021
1021
1020
1021
1020
1020
1021
1021
1023
1023
1024
1024
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

285
289
294
298
299
301
302
302
302
304
304
301
300
300
299
299
298
297
296
295
294
293
293
292

Thursday 24

Waxing Gibbous 96%

18:54

05:50

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

Sun - Rise: 07:31, Set: 19:30, Transit: 13:31. Moon - Rise: 18:54, Set: 05:50. Civil Dark: 20:06 - 06:57. Nautical Dark: 20:46 - 06:18. Astro Dark: 21:27 - 05:36

Total Clouds (% Sky Obscured)

68
76
85
78
70
64
52
40
27
30
33
34
37
37
39
30
25
19
19
21
25
34
44
53

Low Clouds (% Sky Obscured)

18
24
29
31
30
31
22
17
9
8
7
7
4
2
0
0
1
1
5
10
19
13
6
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
6
10
18
24
25
17
7
0
0
0
0
4
9
13

High Clouds (% Sky Obscured)

68
76
85
78
70
64
50
37
26
21
17
15
22
28
30
26
22
15
10
6
3
22
40
53

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
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)

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

Chance of Frost

Temperature (°C)

15
14
14
13
12
12
12
12
11
11
11
11
10
12
14
16
17
19
20
20
21
21
20
18

Feels Like (°C)

17
11
12
12
12
12
11
11
11
11
11
11
10
11
12
13
14
15
16
21
21
20
21
21

Dew Point (°C)

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

Relative Humidity (%)

69
74
78
81
84
86
88
87
88
88
88
88
88
80
71
65
60
55
52
51
50
49
57
66

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1018
1017
1017
1017

Ozone (du)

291
290
289
288
287
286
284
284
285
285
284
284
284
283
282
281
282
282
282
282
282
282
282
282

Friday 25

Waxing Gibbous 99%

19:05

07:09

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
12 Bad
13 Bad

Sun - Rise: 07:32, Set: 19:28, Transit: 13:30. Moon - Rise: 19:05, Set: 07:09. Civil Dark: 20:04 - 06:59. Nautical Dark: 20:44 - 06:19. Astro Dark: 21:25 - 05:38

Total Clouds (% Sky Obscured)

54
58
59
65
74
82
76
70
65
68
71
72
62
53
42
45
47
50

Low Clouds (% Sky Obscured)

7
16
17
15
14
22
22
22
17
18
19
22
21
26
25
29
32
32

Medium Clouds (% Sky Obscured)

21
25
29
23
15
8
7
6
6
3
2
0
1
1
2
3
5
7

High Clouds (% Sky Obscured)

50
43
34
34
32
27
25
23
25
32
36
45
39
23
8
7
7
7

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
20
35
44
43
33
21
20
13
8
17
21
25
22
16
14

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
15
16
16
16
16
16
13
12
12
11
11
11
10
10
10
10
11

Dew Point (°C)

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

Relative Humidity (%)

77
79
83
89
87
87
87
86
83
83
80
80
79
70
61
54
50
46

Pressure (mb)

1017
1017
1017
1017
1017
1016
1016
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019

Ozone (du)

281
282
282
282
283
283
283
283
284
284
284
284
285
285
285
285
285
286

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

Generated: 19/09/26 20:07:30. Forecast: 19/09/26 to 25/09/26. Timezone: UTC+2.00