Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 22

Waxing Gibbous 72%

16:41

23:46

22 Good
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
21 Bad

Sun - Rise: 05:11, Set: 21:03, Transit: 13:07. Moon - Rise: 16:41, Set: 23:46. Civil Dark: 21:46 - 04:28. Nautical Dark: 22:49 - 03:27. Astro Dark: 00:51 - 01:36

Total Clouds (% Sky Obscured)

18
36
52
59
100
100
100
100
100
91
92
79
86
81
97
97
99
99
97
85
81
77
92
88

Low Clouds (% Sky Obscured)

18
36
12
5
0
0
2
19
33
66
68
54
24
47
73
69
75
84
87
64
72
64
35
18

Medium Clouds (% Sky Obscured)

18
34
24
24
32
28
25
18
22
36
38
26
28
24
43
43
44
45
33
34
23
25
24
29

High Clouds (% Sky Obscured)

18
36
52
59
100
100
100
100
100
44
15
21
36
39
46
56
68
60
62
32
25
46
81
78

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)

9
7
5
4
2
2
3
3
3
2
2
2
2
3
4
4
4
3
4
6
5
4
3
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
15
15
16
15
15
15
15
16
18
19
22
23
23
23
24
24
24
23
24
24
23
22

Dew Point (°C)

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

Relative Humidity (%)

61
63
63
69
77
78
82
85
78
67
61
55
48
42
39
38
39
38
37
41
45
44
47
54

Pressure (mb)

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

Ozone (du)

345
344
342
340
339
337
335
334
333
331
330
328
326
326
325
323
321
320
320
320
319
318
318
319

Thursday 23

Waxing Gibbous 80%

17:51

00:09

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 OK
17 OK
18 Bad
19 OK
20 OK
21 OK

Sun - Rise: 05:12, Set: 21:02, Transit: 13:07. Moon - Rise: 17:51, Set: 00:09. Civil Dark: 21:44 - 04:29. Nautical Dark: 22:46 - 03:30. Astro Dark: 00:37 - 01:46

Total Clouds (% Sky Obscured)

76
97
82
66
66
80
94
100
100
100
91
84
78
99
90
64
61
52
34
46
51
28
26
22

Low Clouds (% Sky Obscured)

20
17
11
0
0
0
0
7
0
9
0
12
0
0
0
0
0
0
3
7
15
17
15
14

Medium Clouds (% Sky Obscured)

29
24
18
11
14
11
14
21
16
17
22
19
0
0
0
0
0
3
2
2
2
0
0
0

High Clouds (% Sky Obscured)

60
91
56
48
47
73
92
100
100
100
81
65
78
99
88
63
61
51
19
18
18
2
3
2

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)

8
6
5
5
6
6
6
6
6
6
6
6
7
7
8
8
8
8
8
8
8
8
6
3

Chance of Frost

Temperature (°C)

21
20
19
18
17
17
16
15
15
17
18
19
21
23
25
26
26
27
27
27
26
26
25
23

Feels Like (°C)

19
20
18
17
16
17
16
15
14
15
17
18
20
21
23
24
25
25
25
25
24
23
25
23

Dew Point (°C)

14
15
14
13
13
13
13
12
12
11
11
10
10
9
8
7
6
5
4
4
3
3
6
7

Relative Humidity (%)

67
75
72
72
74
77
81
82
80
71
62
55
47
40
34
31
27
24
23
22
22
23
29
35

Pressure (mb)

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

Ozone (du)

319
319
319
319
319
319
321
322
322
322
322
322
323
324
324
324
325
327
327
327
327
327
326
326

Friday 24

Waxing Gibbous 77%

18:53

00:41

22 Good
23 OK
00 Good
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
20 Bad
21 Bad

Sun - Rise: 05:14, Set: 21:00, Transit: 13:07. Moon - Rise: 18:53, Set: 00:41. Civil Dark: 21:43 - 04:31. Nautical Dark: 22:44 - 03:32. Astro Dark: 00:28 - 01:53

Total Clouds (% Sky Obscured)

15
20
7
42
65
63
58
100
100
100
100
92
63
85
81
77
87
82
95
87
68
77
87
96

Low Clouds (% Sky Obscured)

12
14
4
24
19
19
19
14
0
0
9
3
0
33
33
32
5
4
25
33
45
62
75
96

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
18
65
92
60
26
85
79
33
83
80
95
87
68
77
87
93

High Clouds (% Sky Obscured)

1
0
2
9
30
30
36
100
100
100
100
78
6
40
26
30
24
5
2
2
3
10
10
4

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
2
18

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
7
7
8
8
6
5
4
5
6
6
7
7
9
11
12
12
13
13
14
15
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
18
17
16
15
13
13
13
13
14
15
17
18
21
20
20
22
22
22
22
21
21
20
18

Dew Point (°C)

7
7
8
8
8
8
8
8
8
8
9
9
7
6
5
3
3
3
4
5
8
9
12
13

Relative Humidity (%)

40
44
50
54
59
61
62
61
62
61
56
50
41
34
28
24
21
21
23
25
32
39
52
64

Pressure (mb)

1013
1013
1013
1013
1013
1012
1012
1011
1011
1011
1011
1011
1010
1009
1009
1008
1007
1007
1006
1006
1006
1006
1006
1007

Ozone (du)

327
326
326
326
325
323
324
330
330
328
327
327
324
322
322
322
320
317
316
316
316
316
317
318

Saturday 25

Waxing Gibbous 88%

19:43

01:24

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 OK
21 Good

Sun - Rise: 05:15, Set: 20:59, Transit: 13:07. Moon - Rise: 19:43, Set: 01:24. Civil Dark: 21:41 - 04:33. Nautical Dark: 22:42 - 03:34. Astro Dark: 00:20 - 02:00

Total Clouds (% Sky Obscured)

94
92
91
77
59
43
49
61
76
83
89
96
97
99
100
99
97
96
92
51
64
63
22
3

Low Clouds (% Sky Obscured)

81
79
83
71
57
37
46
59
74
79
83
90
87
84
82
81
81
81
80
41
56
51
18
0

Medium Clouds (% Sky Obscured)

90
89
87
77
59
43
5
1
3
7
13
20
23
26
29
32
30
28
26
23
21
14
8
2

High Clouds (% Sky Obscured)

28
40
50
0
0
0
0
0
0
1
3
4
4
1
0
0
0
0
5
0
0
0
0
0

ISS Passover

Visibility (miles)

8
9
9
8
2
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
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 (%)

14
9
42
95
82
21
9
18
24
4
5
11
12
19
12
17
19
2
4
4
2
3
1
0

Precipitation Amount (mm)

0
0
0
0.7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
73
73
77
90
90
89
89
89
89
86
83
80
76
68
60
53
45
45
46
46
47
44
51

Pressure (mb)

1007
1007
1007
1006
1006
1006
1006
1006
1007
1007
1008
1008
1008
1009
1009
1009
1009
1008
1009
1009
1010
1010
1011
1012

Ozone (du)

318
319
321
325
330
337
336
337
338
335
335
335
336
335
333
332
330
330
328
326
325
324
323
322

Sunday 26

Waxing Gibbous 93%

20:21

02:20

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

Sun - Rise: 05:16, Set: 20:57, Transit: 13:07. Moon - Rise: 20:21, Set: 02:20. Civil Dark: 21:39 - 04:34. Nautical Dark: 22:39 - 03:37. Astro Dark: 00:14 - 02:06

Total Clouds (% Sky Obscured)

6
9
10
15
19
23
27
31
42
57
54
51
58
61
58
51
46
34
18
17
16
28
41
50

Low Clouds (% Sky Obscured)

5
8
10
12
15
16
16
16
39
57
54
32
42
40
39
28
19
13
4
2
2
0
1
0

Medium Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
8

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
2
2
4
8
12
2
2
1
1
1
1
1
8
18
36

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)

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

Chance of Frost

Temperature (°C)

18
17
16
15
14
14
13
13
13
15
16
18
19
21
22
24
25
25
26
26
26
26
24
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
58
62
67
71
75
79
80
80
70
63
57
49
43
39
35
32
28
26
27
27
28
33
37

Pressure (mb)

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

Ozone (du)

322
322
323
324
324
324
324
325
326
326
326
326
326
326
326
326
325
325
325
325
326
326
325
325

Monday 27

Waxing Gibbous 97%

20:48

03:27

22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
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
21 Bad

Sun - Rise: 05:18, Set: 20:56, Transit: 13:07. Moon - Rise: 20:48, Set: 03:27. Civil Dark: 21:38 - 04:36. Nautical Dark: 22:37 - 03:39. Astro Dark: 00:08 - 02:12

Total Clouds (% Sky Obscured)

44
38
29
27
23
19
23
29
40
51
58
70
67
64
62
56
63
61
63
69
75
78
77
75

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

13
14
11
12
8
8
13
20
28
32
25
22
19
16
10
7
5
3
2
1
0
2
4
9

High Clouds (% Sky Obscured)

29
26
20
14
7
1
1
0
0
27
58
70
67
64
62
56
61
58
63
69
75
78
77
75

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)

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

Chance of Frost

Temperature (°C)

20
20
19
18
18
17
17
17
18
18
20
22
24
25
27
28
29
30
30
30
30
30
28
26

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
46
49
53
56
58
61
59
56
54
46
41
35
31
28
25
24
22
21
22
23
23
28
34

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1018
1018
1017
1017
1017
1017
1017

Ozone (du)

325
324
323
322
322
322
321
321
321
321
321
320
320
320
319
319
319
320
320
320
320
320
321
322

Tuesday 28

Waxing Gibbous 100%

21:08

04:41

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

Sun - Rise: 05:19, Set: 20:54, Transit: 13:07. Moon - Rise: 21:08, Set: 04:41. Civil Dark: 21:36 - 04:38. Nautical Dark: 22:35 - 03:41. Astro Dark: 00:02 - 02:17

Total Clouds (% Sky Obscured)

67
51
45
28
14
0
1
1
2
6
11
16
24
31
39
34
25
15
13
10
7

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
7
12
9
5
0

Medium Clouds (% Sky Obscured)

6
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

67
51
45
28
13
0
1
1
2
6
9
12
16
22
27
22
14
5
5
6
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

5
4
5
6
6
5
5
5
5
5
6
7
8
8
9
10
10
10
10
10
11

Chance of Frost

Temperature (°C)

24
23
22
21
20
19
18
19
19
19
21
24
26
27
29
30
31
31
32
31
30

Feels Like (°C)

27
27
26
25
19
20
19
19
19
18
20
21
22
22
22
23
30
29
28
28
29

Dew Point (°C)

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

Relative Humidity (%)

41
43
45
48
49
53
54
54
53
53
47
41
36
30
26
22
21
20
19
20
22

Pressure (mb)

1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015

Ozone (du)

323
324
325
326
326
325
325
326
327
329
328
327
326
326
325
325
325
325
325
325
325

Forecast for Welwyn Garden City, Hertfordshire, United Kingdom (51.80,-0.21)

Generated: 22/07/26 22:20:48. Forecast: 22/07/26 to 28/07/26. Timezone: UTC+1.00