Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 14

New Moon 2%

05:57

21:45

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

Sun - Rise: 05:00, Set: 21:14, Transit: 13:06. Moon - Rise: 05:57, Set: 21:45. Civil Dark: 21:59 - 04:15. Nautical Dark: 23:05 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

68
60
51
48
44
9
1
2
9
30
40
50
57
58
59
51
43
30
21
12
16
29
46
56

Low Clouds (% Sky Obscured)

23
23
28
29
10
0
0
0
6
29
40
50
56
55
58
51
43
30
21
11
13
23
33
30

Medium Clouds (% Sky Obscured)

33
20
20
26
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23

High Clouds (% Sky Obscured)

0
0
0
15
44
9
1
2
5
4
3
3
0
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
7
8
10
12
12
14
15
16
16
16
16
15
16
15
14
12
10
8
7
7
7
8

Relative Humidity (%)

27
27
28
30
35
42
49
60
71
84
92
95
93
93
95
93
83
67
54
42
35
32
30
30

Pressure (mb)

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

Ozone (du)

342
339
334
331
328
327
326
326
323
322
321
320
322
322
323
331
335
337
337
339
340
340
340
342

Wednesday 15

Waxing Crescent 2%

07:29

22:09

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

55
54
46
50
32
3
0
0
0
0
0
21
35
38
38
33
12
0
2
5
10
19
57
77

Low Clouds (% Sky Obscured)

38
37
38
44
27
3
0
0
0
0
0
21
35
38
38
33
12
0
0
3
7
17
21
29

Medium Clouds (% Sky Obscured)

15
15
25
23
12
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
2
2
3
4
33
55

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)

14
14
14
14
14
13
12
10
9
8
9
9
9
9
10
9
10
10
10
11
12
12
11
12

Chance of Frost

Temperature (°C)

28
28
28
27
26
25
23
21
20
18
17
16
15
15
15
15
16
18
20
23
25
26
27
28

Feels Like (°C)

25
25
24
24
23
23
21
20
19
18
16
15
14
14
14
14
16
18
20
21
23
24
26
25

Dew Point (°C)

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

Relative Humidity (%)

28
26
25
25
27
32
41
53
68
82
89
89
87
86
87
84
74
61
48
38
33
30
28
27

Pressure (mb)

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

Ozone (du)

343
346
349
352
355
354
354
352
349
347
348
347
345
343
341
340
339
336
337
337
337
337
338
338

Thursday 16

Waxing Crescent 7%

08:57

22:27

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

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)

96
90
82
80
67
35
9
16
40
40
3
5
82
90
93
92
94
82
82
77
71
63
70
77

Low Clouds (% Sky Obscured)

25
24
65
63
34
0
0
0
0
0
0
0
35
49
49
49
36
8
6
0
0
2
46
50

Medium Clouds (% Sky Obscured)

36
28
41
65
36
3
6
4
3
0
0
0
13
11
23
25
33
30
28
23
18
20
26
26

High Clouds (% Sky Obscured)

60
59
41
61
55
35
3
12
30
30
2
3
40
45
55
57
71
56
55
57
49
36
2
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)

11
11
10
10
10
12
8
7
9
8
7
7
7
7
8
7
9
10
10
10
10
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

25
25
24
24
23
21
20
20
17
15
15
16
15
13
12
13
14
14
15
17
19
21
23
23

Dew Point (°C)

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

Relative Humidity (%)

25
24
25
30
31
34
40
49
54
59
69
79
89
90
93
92
82
67
53
43
37
34
32
31

Pressure (mb)

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

Ozone (du)

335
333
332
332
333
337
335
334
335
336
335
335
337
338
338
338
337
338
337
338
339
337
336
336

Friday 17

Waxing Crescent 14%

10:20

22:40

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

84
38
68
53
16
15
14
14
30
16
50
27
12
15
11
5
15
23
32
28
26
22
39
54

Low Clouds (% Sky Obscured)

57
20
50
40
3
1
0
4
8
12
15
17
12
15
10
5
14
23
32
28
24
20
19
19

Medium Clouds (% Sky Obscured)

28
20
13
10
8
8
9
6
8
5
3
2
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
2
2
2
2
2
9
3
21
10
0
2
2
0
0
0
0
0
0
0
27
54

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

Chance of Frost

Temperature (°C)

27
27
26
26
25
23
20
18
17
16
15
14
14
13
13
14
14
16
18
19
20
22
23
23

Feels Like (°C)

24
25
26
22
20
19
17
17
16
15
15
13
13
13
13
13
13
14
15
17
18
20
22
22

Dew Point (°C)

8
9
6
6
4
2
4
7
9
9
10
9
9
9
9
9
6
3
2
1
2
3
3
3

Relative Humidity (%)

29
31
27
28
26
25
33
47
58
65
69
71
73
75
76
70
56
42
34
30
29
29
28
26

Pressure (mb)

1017
1016
1016
1016
1017
1017
1018
1019
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022
1021
1021
1021

Ozone (du)

335
335
334
333
331
333
336
336
333
332
332
331
330
328
327
329
329
327
328
330
329
329
328
329

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

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)

79
86
68
67
64
59
95
92
87
82
84
94
100
100
100
87
44
67
89
65
41
17
19
19

Low Clouds (% Sky Obscured)

28
37
43
62
36
13
39
37
43
45
29
13
12
13
17
24
14
10
5
3
2
1
1
1

Medium Clouds (% Sky Obscured)

0
2
4
6
5
3
0
9
20
26
28
32
31
39
46
54
1
3
4
7
9
12
8
7

High Clouds (% Sky Obscured)

79
68
28
2
22
31
36
32
26
21
73
92
100
81
57
17
44
66
84
60
35
10
13
19

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
12
12
10
8
8
7
6
6
5
5
6
6
6
8
8
9
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

23
23
22
21
19
19
18
15
14
13
13
12
11
11
11
11
12
11
12
12
12
13
13
21

Dew Point (°C)

3
3
3
4
7
10
10
10
11
10
9
9
10
11
12
12
11
8
6
4
3
3
3
3

Relative Humidity (%)

24
24
24
27
36
48
57
61
69
70
68
71
79
89
93
93
83
66
51
39
35
32
29
28

Pressure (mb)

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

Ozone (du)

330
330
331
333
333
332
331
333
336
337
339
340
340
338
337
336
336
336
337
337
336
335
333
333

Sunday 19

Waxing Crescent 32%

12:55

23:03

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

31
41
43
52
48
41
38
31
24
20
23
29
38
53
69
85
82
79
77
65
50
36
35
36

Low Clouds (% Sky Obscured)

1
1
2
2
9
16
25
20
12
5
7
8
10
11
12
18
13
11
9
9
8
8
11
14

Medium Clouds (% Sky Obscured)

5
10
14
18
23
27
32
24
15
5
6
7
7
16
26
35
51
65
77
61
39
18
14
12

High Clouds (% Sky Obscured)

31
35
40
45
48
41
38
31
24
20
23
22
22
36
47
59
63
67
76
52
27
3
3
3

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
9
8
7
6
3
4
7
6
6
7
7
7
7
6
6
7
7
7
7
7
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
20
20
21
21
20
21
21
20
18
17
14
13
14
13
13
12
13
14
14
14
14
15
24

Dew Point (°C)

3
3
3
3
3
5
7
9
8
8
8
8
8
8
8
7
6
6
6
7
5
4
3
4

Relative Humidity (%)

26
25
26
26
27
34
42
53
54
58
59
64
66
69
64
60
55
50
45
42
35
29
25
26

Pressure (mb)

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

Ozone (du)

333
333
334
335
336
337
338
339
339
340
341
339
336
334
335
337
338
341
344
348
345
343
341
342

Monday 20

Waxing Crescent 43%

14:11

23:15

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

37
51
66
82
67
52
35
41
44
50
45
37
34
42
49
57
52
44
39
47
58
70

Low Clouds (% Sky Obscured)

17
27
37
46
32
18
4
5
6
9
12
18
23
32
42
51
45
44
39
47
58
64

Medium Clouds (% Sky Obscured)

8
8
11
13
15
14
13
15
17
19
16
12
9
9
9
9
8
7
6
8
11
14

High Clouds (% Sky Obscured)

2
10
18
26
17
10
0
0
0
0
1
1
1
1
0
0
1
2
3
8
18
30

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
1
1
1
7
10
11

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)

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

Chance of Frost

Temperature (°C)

25
26
25
24
23
21
19
17
16
15
14
14
14
13
13
14
14
16
18
19
20
21

Feels Like (°C)

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

Dew Point (°C)

5
5
7
9
10
11
11
11
12
12
13
13
13
13
12
13
12
11
11
10
10
11

Relative Humidity (%)

26
26
32
38
45
52
60
69
75
83
92
93
95
96
93
92
89
74
63
53
52
53

Pressure (mb)

1022
1022
1023
1023
1023
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1026

Ozone (du)

342
343
345
347
349
347
346
344
341
339
336
335
334
332
332
331
330
330
329
329
329
329

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

Generated: 14/07/26 15:15:09. Forecast: 14/07/26 to 20/07/26. Timezone: UTC+1.00