Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 15

Waxing Crescent 2%

07:29

22:09

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

Sun - Rise: 05:01, Set: 21:13, Transit: 13:06. Moon - Rise: 07:29, Set: 22:09. Civil Dark: 21:58 - 04:17. Nautical Dark: 23:03 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

58
56
46
43
32
3
0
0
0
0
32
37
65
41
43
60
35
52
26
31
24
26
36
79

Low Clouds (% Sky Obscured)

12
23
25
33
31
3
0
0
0
0
32
37
39
41
37
38
34
22
17
12
3
9
13
16

Medium Clouds (% Sky Obscured)

48
25
23
26
5
0
0
0
0
0
0
0
0
0
0
0
0
0
13
21
19
17
27
68

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
5
50
6
8
45
7
28
1
2
1
1
10
18

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
5
6
7
8
10
12
14
15
16
15
14
14
14
13
11
8
7
6
6
5
4
4

Relative Humidity (%)

27
26
25
26
30
34
44
59
72
86
93
93
92
93
92
87
72
55
44
36
33
29
25
23

Pressure (mb)

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

Ozone (du)

346
344
346
348
347
347
346
346
344
344
346
347
348
350
349
349
348
347
345
343
341
340
338
338

Thursday 16

Waxing Crescent 7%

08:57

22:27

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

Sun - Rise: 05:03, Set: 21:12, Transit: 13:07. Moon - Rise: 08:57, Set: 22:27. Civil Dark: 21:56 - 04:18. Nautical Dark: 23:01 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

54
87
46
47
36
34
6
12
1
1
6
30
49
57
52
48
44
65
59
31
25
20
29
41

Low Clouds (% Sky Obscured)

18
18
15
19
7
0
0
4
0
0
5
17
40
51
52
44
44
46
29
22
20
16
16
11

Medium Clouds (% Sky Obscured)

44
34
0
0
0
8
3
5
0
0
0
7
22
19
0
7
0
4
2
2
2
0
20
37

High Clouds (% Sky Obscured)

50
46
46
47
36
34
2
2
1
1
3
5
0
0
1
0
3
26
35
11
7
5
5
5

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
3
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)

11
12
12
12
12
11
9
7
7
5
6
5
6
7
7
7
9
9
9
9
9
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
5
6
8
10
10
10
12
12
13
13
13
13
13
11
9
7
6
5
4
3
2

Relative Humidity (%)

21
21
22
25
29
34
45
49
54
63
72
81
83
87
92
89
73
60
50
41
33
28
25
23

Pressure (mb)

1019
1018
1018
1018
1017
1018
1018
1018
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017

Ozone (du)

336
336
336
336
336
338
338
338
343
343
343
343
344
344
344
344
342
341
340
339
337
334
333
333

Friday 17

Waxing Crescent 14%

10:20

22:40

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

Sun - Rise: 05:04, Set: 21:11, Transit: 13:07. Moon - Rise: 10:20, Set: 22:40. Civil Dark: 21:55 - 04:20. Nautical Dark: 22:59 - 03:16. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

14
29
42
31
6
11
34
72
57
23
18
17
16
20
23
72
36
20
25
25
14
13
23
65

Low Clouds (% Sky Obscured)

14
23
40
27
2
1
5
12
19
23
18
17
16
20
23
48
36
20
25
25
14
13
23
55

Medium Clouds (% Sky Obscured)

3
5
3
3
3
0
0
8
6
0
0
0
0
0
0
0
14
3
23
0
0
0
5
9

High Clouds (% Sky Obscured)

0
0
0
6
3
11
34
50
55
0
0
2
2
2
6
43
5
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

25
25
25
25
24
22
20
19
17
16
15
15
14
14
14
14
15
16
17
18
19
20
22
22

Feels Like (°C)

23
23
23
21
20
20
18
15
14
15
16
15
15
14
14
14
12
14
15
17
18
19
20
22

Dew Point (°C)

1
1
1
1
3
3
5
7
9
11
12
12
12
13
12
12
10
6
4
4
5
6
6
6

Relative Humidity (%)

21
20
20
21
24
28
35
46
58
71
80
84
87
90
90
86
71
54
41
40
37
38
36
34

Pressure (mb)

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

Ozone (du)

335
336
334
331
329
329
331
330
330
330
330
331
329
328
328
330
332
332
331
331
332
332
334
336

Saturday 18

Waxing Crescent 23%

11:39

22:52

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

Sun - Rise: 05:05, Set: 21:09, Transit: 13:07. Moon - Rise: 11:39, Set: 22:52. Civil Dark: 21:54 - 04:21. Nautical Dark: 22:57 - 03:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

80
83
63
53
84
63
51
88
41
25
19
16
14
39
65
69
75
84
91
87
53
46
51
59

Low Clouds (% Sky Obscured)

67
60
32
16
41
28
21
45
20
17
11
6
3
13
19
21
22
21
22
23
24
26
24
22

Medium Clouds (% Sky Obscured)

14
22
29
33
29
21
14
20
23
25
19
10
0
0
0
0
14
32
49
41
32
24
30
37

High Clouds (% Sky Obscured)

2
0
0
0
6
12
18
15
10
5
6
8
10
26
52
54
58
65
72
60
16
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
2
1
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
13
12
13
12
9
9
9
8
7
7
6
7
7
8
9
10
10
10
10
10
11
11
10

Chance of Frost

Temperature (°C)

23
23
23
23
22
21
19
17
17
16
15
14
13
13
12
13
13
14
15
17
18
19
20
21

Feels Like (°C)

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

Dew Point (°C)

6
9
9
9
10
9
10
11
10
12
13
13
12
12
11
12
10
10
8
6
4
2
1
1

Relative Humidity (%)

33
40
41
42
47
47
54
66
64
78
89
92
93
95
93
93
86
75
59
47
38
31
28
25

Pressure (mb)

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

Ozone (du)

337
340
342
348
357
360
360
357
353
350
348
345
343
342
342
343
344
344
344
344
344
344
343
345

Sunday 19

Waxing Crescent 32%

12:55

23:03

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

Sun - Rise: 05:07, Set: 21:08, Transit: 13:07. Moon - Rise: 12:55, Set: 23:03. Civil Dark: 21:52 - 04:23. Nautical Dark: 22:55 - 03:21. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

66
50
32
15
33
51
85
82
22
7
8
8
8
5
4
2
30
39
51
42
32
24
22
19

Low Clouds (% Sky Obscured)

19
14
10
3
1
1
0
0
0
0
0
2
2
2
3
2
13
16
18
12
11
10
11
13

Medium Clouds (% Sky Obscured)

43
30
19
6
6
4
1
1
0
3
3
3
4
4
2
0
9
12
16
12
8
3
2
2

High Clouds (% Sky Obscured)

1
1
1
3
22
33
73
82
15
4
6
3
2
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)

10
10
11
11
11
10
8
7
5
4
2
2
3
3
3
4
4
5
5
6
6
5
6
6

Chance of Frost

Temperature (°C)

22
22
22
21
20
19
17
16
15
14
13
13
12
12
12
12
13
15
17
18
20
21
22
23

Feels Like (°C)

20
20
19
18
17
17
15
13
13
15
15
14
13
12
12
12
13
14
14
14
15
16
16
24

Dew Point (°C)

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

Relative Humidity (%)

23
22
23
25
27
30
37
46
58
70
74
75
76
76
75
70
57
48
40
34
30
27
24
24

Pressure (mb)

1024
1024
1024
1024
1024
1024
1025
1025
1025
1026
1026
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1025
1025

Ozone (du)

347
347
345
344
343
341
339
336
335
334
332
331
329
329
330
330
330
330
330
331
330
329
329
328

Monday 20

Waxing Crescent 43%

14:11

23:15

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

Sun - Rise: 05:08, Set: 21:07, Transit: 13:07. Moon - Rise: 14:11, Set: 23:15. Civil Dark: 21:51 - 04:24. Nautical Dark: 22:53 - 03:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

15
26
34
47
37
25
16
17
18
23
17
14
12
23
32
37
40
42
44
42
45
47
52
60

Low Clouds (% Sky Obscured)

13
26
34
47
37
25
16
17
18
23
17
14
12
17
19
22
17
13
8
10
11
13
14
15

Medium Clouds (% Sky Obscured)

2
4
6
8
7
7
5
3
1
0
0
0
0
3
7
10
13
19
22
20
26
27
21
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4
10
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
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
8
6
10
15
13
10
8
7
6
5
5
5
5
6
6
7
7
7
8
8
8
9
9

Chance of Frost

Temperature (°C)

24
25
24
23
22
20
19
17
16
16
15
14
14
13
13
14
14
16
17
19
20
21
23
23

Feels Like (°C)

23
23
24
25
26
18
17
17
15
14
12
13
14
15
14
13
13
14
14
14
15
15
16
23

Dew Point (°C)

2
2
4
6
7
9
11
12
11
10
9
10
11
12
11
11
11
10
9
8
7
6
6
6

Relative Humidity (%)

24
22
27
33
38
48
59
72
69
68
66
73
82
92
89
86
83
69
58
49
42
37
33
31

Pressure (mb)

1025
1024
1024
1024
1025
1025
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1027
1027
1027
1027

Ozone (du)

328
328
328
328
328
327
327
326
326
327
327
327
328
328
329
330
331
331
331
332
333
334
335
335

Tuesday 21

First Quarter 53%

No Rise

23:29

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

Sun - Rise: 05:09, Set: 21:06, Transit: 13:07. Moon - Rise: No Rise, Set: 23:29. Civil Dark: 21:49 - 04:26. Nautical Dark: 22:51 - 03:25. Astro Dark: N/A - 01:23

Total Clouds (% Sky Obscured)

68
73
78
83
68
54
41
46
53
58
55
52
46
54
65
77
83
86
87
78
66
55

Low Clouds (% Sky Obscured)

16
22
25
33
24
16
9
8
9
12
9
9
12
15
15
15
16
26
33
31
29
24

Medium Clouds (% Sky Obscured)

15
11
8
4
4
3
2
5
8
12
8
3
0
2
4
5
26
42
61
54
43
33

High Clouds (% Sky Obscured)

19
25
30
36
37
35
35
35
35
34
21
21
17
32
52
70
70
75
75
62
41
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

9
10
10
10
10
7
5
6
5
4
4
3
3
3
3
3
4
4
4
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
6
6
8
10
12
12
12
11
11
11
11
11
10
10
9
9
9
8
8

Relative Humidity (%)

29
27
28
30
32
40
51
66
67
70
72
73
75
78
73
68
64
58
52
46
41
36

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

335
335
335
335
335
337
340
342
344
345
346
345
345
345
346
348
349
352
355
359
356
354

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

Generated: 15/07/26 15:55:30. Forecast: 15/07/26 to 21/07/26. Timezone: UTC+1.00