Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 5

Waning Gibbous 49%

23:19

14:26

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

Sun - Rise: 06:09, Set: 21:22, Transit: 13:45. Moon - Rise: 23:19, Set: 14:26. Civil Dark: 22:03 - 05:29. Nautical Dark: 22:56 - 04:36. Astro Dark: 00:08 - 03:26

Total Clouds (% Sky Obscured)

86
92
87
88
72
77
78
46
28
21
4
0
3
0
25
34
47
17
45
69
77
93
88
48

Low Clouds (% Sky Obscured)

74
76
81
41
59
71
74
41
13
13
3
0
0
0
17
3
9
5
0
16
12
8
13
18

Medium Clouds (% Sky Obscured)

23
34
28
23
18
15
18
16
16
8
0
0
2
0
13
17
24
9
21
20
31
36
26
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
12
30
58
69
44
39

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
4
1
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)

10
12
14
16
16
17
15
16
18
17
16
14
12
10
10
10
9
8
7
6
5
6
6
7

Chance of Frost

Temperature (°C)

22
22
23
24
25
26
25
26
25
25
24
23
21
20
19
18
18
17
17
16
16
15
15
17

Feels Like (°C)

21
20
21
22
23
23
23
23
23
23
22
22
21
19
18
18
17
18
17
17
15
14
14
16

Dew Point (°C)

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

Relative Humidity (%)

60
61
60
55
43
46
53
42
48
46
41
47
55
56
60
66
73
83
86
87
83
82
74
61

Pressure (mb)

1013
1013
1014
1014
1014
1013
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018

Ozone (du)

311
312
312
311
311
312
313
314
313
312
313
313
314
314
315
316
318
319
321
322
322
322
322
327

Thursday 6

Third Quarter 37%

23:43

15:54

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

Sun - Rise: 06:11, Set: 21:21, Transit: 13:45. Moon - Rise: 23:43, Set: 15:54. Civil Dark: 22:00 - 05:31. Nautical Dark: 22:54 - 04:39. Astro Dark: 00:04 - 03:30

Total Clouds (% Sky Obscured)

31
33
26
31
25
25
32
33
36
38
46
25
21
13
3
10
2
5
5
8
5
20
20
16

Low Clouds (% Sky Obscured)

12
26
24
19
25
25
26
25
32
38
46
0
0
0
0
0
0
0
0
0
0
11
11
8

Medium Clouds (% Sky Obscured)

0
17
0
0
0
0
0
0
0
0
4
16
15
8
2
7
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

22
8
3
14
0
0
0
0
0
0
0
0
0
0
0
0
2
4
4
5
3
3
4
1

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
1
0
0
0
0
0
0
0
1
3
2
2
2
1
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)

11
13
15
15
16
16
16
15
15
14
12
11
8
5
4
4
4
4
4
3
3
2
2
3

Chance of Frost

Temperature (°C)

19
20
21
21
21
22
22
21
21
20
20
19
17
15
14
14
13
12
12
12
12
11
11
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
46
40
36
34
35
37
38
40
42
45
48
56
65
70
72
75
76
77
80
81
81
77
66

Pressure (mb)

1019
1019
1020
1020
1021
1021
1021
1022
1022
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

330
334
336
339
346
351
344
346
348
345
342
337
336
335
336
336
332
330
326
324
323
322
322
322

Friday 7

Waning Crescent 35%

00:20

17:21

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

Sun - Rise: 06:12, Set: 21:19, Transit: 13:45. Moon - Rise: 00:20, Set: 17:21. Civil Dark: 21:58 - 05:33. Nautical Dark: 22:51 - 04:41. Astro Dark: 00:00 - 03:33

Total Clouds (% Sky Obscured)

15
31
60
72
86
75
70
38
68
84
74
47
25
5
2
21
2
28
52
72
67
65
60
49

Low Clouds (% Sky Obscured)

8
17
26
19
20
6
6
1
7
4
5
9
20
3
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
25
35
36
32
39
25
40
43
38
26
0
0
0
0
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

1
12
14
72
50
15
7
4
6
8
7
2
1
2
2
21
2
28
52
72
67
65
60
49

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)

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

Chance of Frost

Temperature (°C)

16
19
20
21
22
23
24
24
24
24
23
22
20
17
16
15
14
13
13
12
12
12
13
15

Feels Like (°C)

17
19
21
21
22
21
21
22
22
22
21
21
19
17
16
15
14
13
13
13
13
13
13
15

Dew Point (°C)

8
7
7
6
6
4
4
4
4
4
5
8
10
10
10
10
10
10
10
9
8
8
8
7

Relative Humidity (%)

56
47
42
37
33
29
28
27
26
27
30
38
51
63
68
73
78
81
83
79
76
75
72
59

Pressure (mb)

1025
1025
1024
1024
1024
1023
1022
1022
1022
1021
1021
1021
1021
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020

Ozone (du)

323
323
326
327
327
327
326
326
325
325
324
322
321
321
321
321
322
322
321
321
321
321
323
322

Saturday 8

Waning Crescent 26%

01:14

18:39

09 OK
10 Good
11 OK
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 OK
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:14, Set: 21:17, Transit: 13:45. Moon - Rise: 01:14, Set: 18:39. Civil Dark: 21:56 - 05:35. Nautical Dark: 22:48 - 04:43. Astro Dark: 23:56 - 03:37

Total Clouds (% Sky Obscured)

32
18
37
51
64
93
86
79
75
71
66
64
73
87
78
68
58
55
53
31
63
74
87
80

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11

Medium Clouds (% Sky Obscured)

3
3
2
1
0
3
7
10
10
67
31
15
20
36
69
68
58
55
53
23
26
34
63
27

High Clouds (% Sky Obscured)

32
15
37
51
64
88
78
64
64
66
66
58
63
74
56
38
20
20
15
1
29
49
67
49

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
2
2
2
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)

5
6
6
5
4
4
4
4
5
5
5
6
6
6
6
5
6
6
6
6
6
5
5
5

Chance of Frost

Temperature (°C)

17
20
23
25
26
27
28
28
29
29
28
26
23
21
19
19
19
19
19
18
18
18
18
19

Feels Like (°C)

17
21
23
25
27
28
26
26
27
26
26
23
21
19
17
17
16
16
15
16
17
15
16
17

Dew Point (°C)

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

Relative Humidity (%)

48
39
32
26
23
21
19
19
18
18
19
26
35
38
39
39
37
33
34
36
40
42
40
34

Pressure (mb)

1020
1019
1019
1019
1018
1017
1017
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1013
1013

Ozone (du)

323
323
324
321
317
315
314
315
315
316
317
318
318
319
318
319
319
320
322
323
325
327
328
329

Sunday 9

Waning Crescent 16%

02:29

19:40

09 Bad
10 OK
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 OK
06 OK
07 Good
08 OK

Sun - Rise: 06:16, Set: 21:15, Transit: 13:44. Moon - Rise: 02:29, Set: 19:40. Civil Dark: 21:54 - 05:37. Nautical Dark: 22:46 - 04:46. Astro Dark: 23:52 - 03:41

Total Clouds (% Sky Obscured)

56
45
46
47
51
59
60
67
70
75
79
70
70
65
64
63
61
50
38
25
22
17
15
25

Low Clouds (% Sky Obscured)

22
38
38
44
47
39
36
30
23
16
9
16
20
27
31
39
39
28
19
9
6
4
4
5

Medium Clouds (% Sky Obscured)

18
4
4
8
7
5
2
0
1
2
4
27
25
15
15
18
18
14
7
0
1
2
3
3

High Clouds (% Sky Obscured)

20
1
1
1
2
25
44
65
64
70
65
70
70
65
64
63
61
45
25
3
2
3
4
11

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

Precipitation Probability (%)

1
0
2
2
0
1
2
0
0
0
0
40
32
34
55
59
67
83
72
49
26
13
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
25
27
28
28
29
29
29
28
27
26
24
22
20
18
18
17
17
16
16
16
16
17
18

Feels Like (°C)

19
24
25
25
26
26
26
26
25
25
24
23
23
22
22
21
21
20
16
16
16
15
15
14

Dew Point (°C)

3
5
3
-1
-2
-0
1
2
2
3
3
4
6
7
9
9
9
8
7
7
6
6
6
6

Relative Humidity (%)

29
27
21
15
14
15
16
17
18
20
23
26
33
42
54
55
57
58
56
54
52
49
46
43

Pressure (mb)

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

Ozone (du)

327
322
321
321
319
317
316
315
314
313
313
312
312
312
312
312
311
311
310
309
308
309
310
310

Monday 10

Waning Crescent 8%

03:58

20:22

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

Sun - Rise: 06:17, Set: 21:13, Transit: 13:44. Moon - Rise: 03:58, Set: 20:22. Civil Dark: 21:52 - 05:38. Nautical Dark: 22:43 - 04:48. Astro Dark: 23:48 - 03:44

Total Clouds (% Sky Obscured)

35
45
58
70
80
79
76
74
63
51
42
42
44
45
41
36
30
40
48
57
53
45
40
38

Low Clouds (% Sky Obscured)

8
13
16
20
20
16
12
11
6
3
0
0
0
0
0
0
0
4
6
7
4
2
0
5

Medium Clouds (% Sky Obscured)

2
1
1
0
0
7
14
19
20
23
27
33
40
45
37
29
21
16
10
5
3
2
1
2

High Clouds (% Sky Obscured)

19
24
29
28
15
5
5
5
0
4
4
7
6
7
6
5
2
15
27
39
41
38
40
37

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
1
1
0
0
0
0
0
0
0
0
1
0
1
2
1
2

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
6
9
11
14
15
15
15
16
14
12
10
9
7
6
6
5
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

20
23
25
25
25
26
25
25
24
23
21
20
19
17
16
15
14
14
13
13
13
13
14
15

Feels Like (°C)

19
20
20
21
22
22
24
23
22
22
22
22
16
16
17
17
16
16
13
13
14
13
13
13

Dew Point (°C)

5
4
3
2
3
3
5
6
8
8
9
10
10
11
11
11
11
11
11
11
11
11
10
10

Relative Humidity (%)

36
28
23
22
22
22
26
29
34
39
45
52
58
65
75
78
80
83
84
86
87
83
79
75

Pressure (mb)

1013
1013
1014
1014
1014
1015
1015
1016
1016
1016
1017
1017
1018
1018
1019
1019
1020
1020
1020
1020
1021
1021
1021
1022

Ozone (du)

311
311
311
312
312
313
313
312
312
313
313
314
315
317
318
318
319
319
319
320
320
319
319
318

Tuesday 11

Waning Crescent 2%

05:31

20:50

09 OK
10 Bad
11 Bad
12 Bad
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

Sun - Rise: 06:19, Set: 21:11, Transit: 13:44. Moon - Rise: 05:31, Set: 20:50. Civil Dark: 21:50 - 05:40. Nautical Dark: 22:41 - 04:50. Astro Dark: 23:44 - 03:48

Total Clouds (% Sky Obscured)

46
50
50
50
46
57
69
83
80
76
73
69
64
56
57
59
62

Low Clouds (% Sky Obscured)

9
14
17
17
14
8
8
8
8
11
11
11
13
11
14
16
16

Medium Clouds (% Sky Obscured)

2
4
8
14
19
23
24
25
17
8
0
0
0
0
2
5
8

High Clouds (% Sky Obscured)

24
11
10
10
11
37
64
83
70
54
47
54
61
56
55
45
38

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

3
1
2
2
0
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
20
21
21
22
22
22
22
22
21
20
18
17
16
15
14

Feels Like (°C)

15
15
15
16
16
17
23
22
21
21
22
22
16
16
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

63
53
44
40
37
33
32
31
31
33
35
37
43
49
55
56
57

Pressure (mb)

1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024

Ozone (du)

318
317
317
315
314
313
312
311
310
309
308
307
307
306
306
306
306

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

Generated: 05/08/26 09:47:59. Forecast: 05/08/26 to 11/08/26. Timezone: UTC+2.00