Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 21

Waxing Crescent 42%

11:32

02:26

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

Sun - Rise: 05:34, Set: 21:36, Transit: 13:36. Moon - Rise: 11:32, Set: 02:26. Civil Dark: 22:20 - 04:50. Nautical Dark: 23:23 - 03:46. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
75
9
44
4
5
3
87
98
99
98
97
7
18
0
0
20
33
45
45
36
33
39
3

Low Clouds (% Sky Obscured)

20
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
33
45
45
36
33
39
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
18
51
39
45
4
6
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
19
9
43
4
5
3
87
96
98
94
90
3
0
0
0
0
1
0
0
1
1
0
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
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)

4
2
2
1
1
2
3
4
4
4
5
5
5
6
5
6
7
7
6
5
5
4
4
4

Chance of Frost

Temperature (°C)

17
16
14
14
13
12
12
12
12
12
13
14
16
18
20
22
23
23
24
24
24
24
24
23

Feels Like (°C)

18
16
15
13
13
12
14
12
11
11
12
14
17
19
22
23
24
24
24
26
26
26
26
25

Dew Point (°C)

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

Relative Humidity (%)

76
79
80
80
81
81
83
83
84
84
84
76
72
66
63
59
55
52
50
50
49
51
58
67

Pressure (mb)

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

Ozone (du)

333
334
334
334
334
333
333
333
334
336
338
343
344
346
346
344
341
340
339
338
337
337
337
336

Friday 22

Waxing Crescent 53%

12:55

02:42

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

Sun - Rise: 05:33, Set: 21:37, Transit: 13:36. Moon - Rise: 12:55, Set: 02:42. Civil Dark: 22:22 - 04:48. Nautical Dark: 23:25 - 03:44. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

2
2
2
3
4
7
2
41
77
82
100
39
23
28
24
25
22
28
31
34
19
34
38
54

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
21
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
22
18
17
0
8
0
3
7
13
14
18
16
26
29
40

High Clouds (% Sky Obscured)

1
2
2
3
4
7
1
41
77
82
100
9
14
6
10
5
10
10
9
4
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
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)

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

Chance of Frost

Temperature (°C)

20
18
17
16
16
15
15
14
14
14
15
17
19
22
23
25
26
27
27
27
27
26
25
24

Feels Like (°C)

22
20
19
18
16
16
16
15
15
15
17
18
20
22
24
26
27
28
27
27
29
29
29
28

Dew Point (°C)

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

Relative Humidity (%)

71
75
76
78
80
83
84
87
87
87
85
76
70
64
59
55
51
49
49
49
48
50
56
65

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1028

Ozone (du)

335
334
334
335
335
334
334
334
334
334
333
330
329
329
331
335
338
342
341
343
344
340
335
332

Saturday 23

First Quarter 64%

14:15

02:55

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

Sun - Rise: 05:32, Set: 21:39, Transit: 13:36. Moon - Rise: 14:15, Set: 02:55. Civil Dark: 22:23 - 04:47. Nautical Dark: 23:27 - 03:42. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

51
49
57
0
0
24
44
24
27
27
33
30
26
1
5
2
3
11
21
32
35
27
13
14

Low Clouds (% Sky Obscured)

0
0
0
0
0
14
23
23
26
27
29
0
3
0
2
0
0
8
16
25
20
16
11
12

Medium Clouds (% Sky Obscured)

40
39
15
0
0
9
17
1
2
0
5
19
16
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
38
0
0
0
7
0
2
0
2
1
2
0
3
2
2
5
9
12
14
10
9
10

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
9

Fog (%)

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

Chance of Frost

Temperature (°C)

22
20
18
17
16
16
15
15
15
14
15
17
19
21
23
24
26
27
27
27
28
27
26
25

Feels Like (°C)

24
22
20
19
19
18
17
16
16
16
17
19
21
23
26
27
29
30
31
31
31
29
28
27

Dew Point (°C)

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

Relative Humidity (%)

73
75
77
82
86
89
89
86
86
86
82
74
69
63
58
56
53
51
49
48
50
55
62
71

Pressure (mb)

1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029

Ozone (du)

329
327
326
325
326
326
324
323
323
322
321
321
321
321
320
320
320
319
320
319
317
316
313
311

Sunday 24

Waxing Gibbous 60%

15:31

03:06

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

Sun - Rise: 05:31, Set: 21:40, Transit: 13:36. Moon - Rise: 15:31, Set: 03:06. Civil Dark: 22:25 - 04:46. Nautical Dark: 23:30 - 03:40. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

14
15
12
6
2
1
1
2
4
1
1
1
1
1
1
1
1
1
1
2
2
1
2
1

Low Clouds (% Sky Obscured)

14
15
9
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium 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
0

High Clouds (% Sky Obscured)

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

Chance of Frost

Temperature (°C)

23
21
20
19
18
17
17
17
16
17
18
19
21
23
25
26
27
28
29
29
29
28
27
25

Feels Like (°C)

25
23
22
21
20
19
19
19
18
18
20
22
24
27
29
30
31
32
31
30
29
28
28
27

Dew Point (°C)

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

Relative Humidity (%)

77
79
85
89
89
90
90
93
93
93
92
85
77
71
67
59
52
47
43
40
43
47
53
61

Pressure (mb)

1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1031
1031
1030
1030
1030
1029
1029
1029
1029
1029
1029

Ozone (du)

310
310
309
309
309
311
311
310
309
308
308
309
310
309
309
310
310
310
310
310
309
311
311
312

Monday 25

Waxing Gibbous 74%

16:45

03:17

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

Sun - Rise: 05:29, Set: 21:42, Transit: 13:36. Moon - Rise: 16:45, Set: 03:17. Civil Dark: 22:26 - 04:44. Nautical Dark: 23:32 - 03:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
9
8
9
9
8
4
0
25

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
9
8
9
9
8
4
0
0

Medium 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
0

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
0
0
23

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
17
22
18
15
11
5
3
1
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
5
4
4
4
4
3
4
3
3
3
4
4
5
7
7
8
9
9
9
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

25
22
22
21
21
20
19
20
20
20
21
23
23
23
24
25
26
27
26
25
25
25
26
25

Dew Point (°C)

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

Relative Humidity (%)

71
77
84
88
86
88
87
87
87
87
83
76
73
69
65
63
63
62
56
51
47
51
57
62

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

312
312
313
314
316
315
314
313
313
314
314
316
316
317
317
317
317
318
319
321
322
322
322
322

Tuesday 26

Waxing Gibbous 82%

17:59

03:27

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

Sun - Rise: 05:28, Set: 21:43, Transit: 13:36. Moon - Rise: 17:59, Set: 03:27. Civil Dark: 22:28 - 04:43. Nautical Dark: 23:34 - 03:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

50
75
69
53
37
23
10
7
6
4
3
4
4
3
2
3
3
7
13
14
14
13
13
10

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
5
4

Medium 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
0

High Clouds (% Sky Obscured)

43
70
61
47
33
23
10
7
6
4
3
4
3
0
1
1
1
4
6
8
7
4
5
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
7
6
6
6
6
6
6
6
6
7
7
8
8
9
9
10
10
10
10
10
9
8
7

Chance of Frost

Temperature (°C)

16
15
13
12
12
11
11
10
11
12
13
15
17
18
20
20
21
22
22
22
22
21
20
19

Feels Like (°C)

15
15
14
13
13
12
9
10
11
11
11
11
16
16
16
16
17
18
21
20
19
19
19
20

Dew Point (°C)

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

Relative Humidity (%)

65
67
69
73
77
83
85
87
91
83
76
69
58
48
41
38
37
36
36
37
38
43
49
55

Pressure (mb)

1030
1030
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1028
1028
1028
1028
1027

Ozone (du)

321
321
321
323
325
327
329
330
331
330
329
328
327
325
324
323
323
322
322
322
322
322
323
323

Wednesday 27

Waxing Gibbous 89%

19:14

03:40

21 Good
22 Good
23 Good
00 Good
01 Good
02 OK
03 Good
04 Good
05 OK
06 OK
07 OK
08 OK
09 Good
10 Good
11 OK
12 Bad
13 Bad

Sun - Rise: 05:27, Set: 21:44, Transit: 13:36. Moon - Rise: 19:14, Set: 03:40. Civil Dark: 22:30 - 04:42. Nautical Dark: 23:37 - 03:34. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

6
2
5
7
13
11
6
3
12
20
29
21
13
5
35
62
90

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

5
2
5
7
13
11
6
3
12
15
15
19
13
5
35
56
78

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 (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
14
12
12
10
7
7
7
7
7
7
12
12
13
14
14

Dew Point (°C)

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

Relative Humidity (%)

62
70
80
83
85
88
88
90
90
85
80
73
63
53
45
43
41

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1028
1027
1028
1028
1028
1028
1028
1027
1027
1027

Ozone (du)

323
323
323
324
325
326
326
327
327
328
329
330
331
331
331
332
334

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

Generated: 21/05/26 20:41:11. Forecast: 21/05/26 to 27/05/26. Timezone: UTC+2.00