Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 5

Waning Gibbous 49%

22:42

No Set

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

Sun - Rise: 05:32, Set: 20:43, Transit: 13:06. Moon - Rise: 22:42, Set: No Set. Civil Dark: 21:22 - 04:52. Nautical Dark: 22:15 - 04:00. Astro Dark: 23:25 - 02:51

Total Clouds (% Sky Obscured)

30
25
29
27
27
28
18
15
12
1
0
13
18
12
12
0
0
0
18
20
47
35
49
47

Low Clouds (% Sky Obscured)

15
18
23
25
22
19
10
8
0
0
0
7
9
6
7
0
0
0
12
13
31
0
1
2

Medium Clouds (% Sky Obscured)

0
9
3
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
25
21
30
24

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
3
12
1
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)

18
17
16
17
17
15
13
12
12
11
8
8
8
7
7
7
7
9
11
12
12
12
12
12

Chance of Frost

Temperature (°C)

24
24
24
23
22
21
20
19
17
16
15
14
13
13
12
12
12
13
14
16
17
18
19
20

Feels Like (°C)

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

Dew Point (°C)

4
4
5
5
5
6
7
7
8
8
8
8
8
9
9
9
10
9
8
7
5
5
4
3

Relative Humidity (%)

27
27
28
30
33
37
41
47
53
58
63
66
71
77
81
84
87
77
66
55
46
40
36
31

Pressure (mb)

1013
1013
1014
1014
1014
1015
1016
1017
1018
1018
1019
1019
1019
1020
1020
1020
1021
1021
1022
1022
1023
1023
1023
1023

Ozone (du)

332
333
333
333
331
332
333
334
336
338
340
342
346
349
351
355
356
356
354
349
345
346
347
342

Thursday 6

Third Quarter 37%

23:07

15:15

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

Sun - Rise: 05:33, Set: 20:41, Transit: 13:06. Moon - Rise: 23:07, Set: 15:15. Civil Dark: 21:20 - 04:54. Nautical Dark: 22:13 - 04:02. Astro Dark: 23:21 - 02:55

Total Clouds (% Sky Obscured)

32
48
53
58
35
49
26
26
35
52
57
57
53
26
9
30
2
21
36
73
69
58
50
70

Low Clouds (% Sky Obscured)

2
2
4
7
9
12
3
2
0
2
0
0
0
0
0
0
0
0
0
0
0
1
0
14

Medium Clouds (% Sky Obscured)

18
28
28
33
21
27
18
14
16
16
19
16
17
0
0
0
0
2
8
2
6
2
2
0

High Clouds (% Sky Obscured)

0
3
2
3
2
6
2
4
8
43
39
41
40
26
7
25
1
20
36
70
64
58
50
69

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

Chance of Frost

Temperature (°C)

21
22
22
22
22
21
20
18
16
15
14
13
12
12
12
11
11
12
15
17
19
21
22
23

Feels Like (°C)

19
18
19
18
20
18
17
16
15
13
11
10
10
9
9
11
8
12
15
15
18
21
22
23

Dew Point (°C)

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

Relative Humidity (%)

28
25
24
23
24
26
32
40
45
48
51
53
54
56
57
61
61
57
49
43
37
33
30
27

Pressure (mb)

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

Ozone (du)

340
338
337
340
336
330
326
324
323
322
322
323
323
324
324
326
331
331
334
333
331
327
327
326

Friday 7

Waning Crescent 26%

23:44

16:42

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

Sun - Rise: 05:35, Set: 20:39, Transit: 13:06. Moon - Rise: 23:44, Set: 16:42. Civil Dark: 21:18 - 04:56. Nautical Dark: 22:10 - 04:04. Astro Dark: 23:17 - 02:58

Total Clouds (% Sky Obscured)

33
63
33
39
38
48
33
35
64
63
58
59
25
72
39
51
60
64
69
70
71
62
72
100

Low Clouds (% Sky Obscured)

15
22
21
23
21
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
6
5
10
15
14
14
26
23
23
10
12
17
25
27
29
32
29
25
18
15
11

High Clouds (% Sky Obscured)

19
63
11
2
10
29
2
9
34
13
29
25
4
55
0
3
8
27
48
68
65
62
69
100

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
5
4
3
2
2
4
5
4
4
3
3
3
3
4
4
6
7
7
8
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
23
24
24
23
24
23
20
18
17
16
15
15
14
14
13
13
14
16
18
20
22
23
24

Dew Point (°C)

3
2
2
1
1
1
2
3
4
3
3
3
3
3
3
3
4
3
3
2
2
2
2
2

Relative Humidity (%)

25
23
22
21
21
21
26
33
37
38
40
43
44
46
47
49
50
45
37
32
27
24
21
19

Pressure (mb)

1021
1021
1020
1020
1020
1019
1019
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1016
1015
1015

Ozone (du)

331
331
329
327
327
328
328
328
328
327
327
325
323
323
324
325
326
326
325
324
324
322
321
319

Saturday 8

Waning Crescent 16%

00:39

17:59

14 Bad
15 Bad
16 Bad
17 Bad
18 OK
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 OK
09 OK
10 OK
11 OK
12 OK
13 OK

Sun - Rise: 05:36, Set: 20:37, Transit: 13:06. Moon - Rise: 00:39, Set: 17:59. Civil Dark: 21:16 - 04:58. Nautical Dark: 22:08 - 04:07. Astro Dark: 23:13 - 03:02

Total Clouds (% Sky Obscured)

100
100
80
57
32
49
61
79
68
61
60
60
60
61
61
59
53
41
31
19
27
28
27
28

Low Clouds (% Sky Obscured)

0
0
0
0
0
6
13
19
25
33
38
42
41
45
36
27
20
21
21
19
23
22
23
20

Medium Clouds (% Sky Obscured)

7
4
10
36
32
49
22
31
27
22
18
25
30
32
34
40
41
27
17
4
7
0
0
0

High Clouds (% Sky Obscured)

100
100
80
57
32
44
47
59
64
61
45
40
40
43
47
51
38
26
14
1
4
6
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
4
9
11
16
19
19
22
15
1
1
1
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
8
8
8
9
8
7
7
6
7
7
6
5
4
5
5
5
5
5
6
5
5
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
-0
-1
-2
-3
-3
-1
-1
-1
1
1
3
5
5
6
6
7
6
5
5
3
1
-0
-1

Relative Humidity (%)

17
16
15
14
14
15
18
21
23
27
29
34
40
43
46
49
51
46
40
34
28
22
19
17

Pressure (mb)

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

Ozone (du)

317
318
319
320
322
324
324
325
326
327
328
328
329
332
332
331
329
325
321
317
315
314
312
311

Sunday 9

Waning Crescent 8%

01:53

19:00

14 OK
15 OK
16 OK
17 OK
18 OK
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 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:38, Set: 20:35, Transit: 13:06. Moon - Rise: 01:53, Set: 19:00. Civil Dark: 21:14 - 04:59. Nautical Dark: 22:05 - 04:09. Astro Dark: 23:10 - 03:05

Total Clouds (% Sky Obscured)

28
25
27
29
34
48
64
77
71
65
56
65
78
78
55
64
72
77
82
88
91
94
96
96

Low Clouds (% Sky Obscured)

19
15
15
15
20
22
22
24
16
9
0
0
0
0
0
0
0
0
3
4
4
4
4
5

Medium Clouds (% Sky Obscured)

4
0
0
0
0
1
2
3
2
1
0
5
10
12
7
6
10
18
20
18
38
47
56
69

High Clouds (% Sky Obscured)

2
2
1
0
1
14
28
46
45
43
35
42
49
42
42
47
54
53
48
33
38
34
34
26

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-3
-4
-5
-3
-2
-1
0
1
2
5
7
8
10
10
10
11
10
10
10
9
9
8

Relative Humidity (%)

16
15
14
12
12
13
17
20
25
28
32
43
50
57
65
65
65
66
59
54
47
44
41
38

Pressure (mb)

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

Ozone (du)

310
310
309
309
309
309
311
311
311
311
312
313
314
314
314
314
314
314
315
315
316
316
317
318

Monday 10

Waning Crescent 2%

03:22

19:42

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
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 OK
12 OK
13 OK

Sun - Rise: 05:40, Set: 20:33, Transit: 13:05. Moon - Rise: 03:22, Set: 19:42. Civil Dark: 21:12 - 05:01. Nautical Dark: 22:02 - 04:11. Astro Dark: 23:06 - 03:09

Total Clouds (% Sky Obscured)

96
95
83
70
61
53
40
22
36
50
64
47
32
15
11
7
2
4
9
14
16
24
25
22

Low Clouds (% Sky Obscured)

5
5
4
5
4
5
6
5
5
4
3
5
6
8
5
2
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

85
95
75
57
41
32
16
3
2
1
1
1
1
1
2
3
2
2
1
0
0
1
1
2

High Clouds (% Sky Obscured)

27
23
40
44
47
41
24
2
23
45
64
44
22
0
0
0
1
2
4
8
12
19
25
20

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
2
3
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
8
8
9
10
11
11
11
12
10
9
8
7
7
6
6
6
7
7
8
9
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
22
22
23
23
24
24
22
21
21
20
19
13
13
14
13
14
13
14
15
16
17
18
19

Dew Point (°C)

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

Relative Humidity (%)

33
29
26
27
29
30
35
41
49
46
44
41
46
51
56
56
56
56
49
42
37
34
29
26

Pressure (mb)

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

Ozone (du)

318
319
320
319
319
319
320
320
321
321
320
320
318
316
315
314
314
314
314
314
313
313
313
312

Tuesday 11

Waning Crescent 0%

04:55

20:10

14 Good
15 Good
16 Good
17 Good
18 Good
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad

Sun - Rise: 05:41, Set: 20:31, Transit: 13:05. Moon - Rise: 04:55, Set: 20:10. Civil Dark: 21:10 - 05:03. Nautical Dark: 22:00 - 04:13. Astro Dark: 23:02 - 03:12

Total Clouds (% Sky Obscured)

15
8
11
11
11
17
22
28
28
28
28
30
34
36
44
51
53

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

4
5
4
3
2
4
4
5
11
16
22
24
26
25
20
15
12

High Clouds (% Sky Obscured)

13
5
6
8
9
11
14
18
11
6
1
3
6
8
16
25
30

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
5
8
10
13
14
15
15
16
16
16
16
16
16
16
15

Relative Humidity (%)

25
23
22
27
34
41
48
57
68
73
77
82
84
85
86
82
80

Pressure (mb)

1020
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

311
311
310
309
309
308
309
309
310
309
307
306
306
306
306
306
305

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

Generated: 05/08/26 14:34:38. Forecast: 05/08/26 to 11/08/26. Timezone: UTC+1.00