Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 6

Third Quarter 49%

23:15

15:13

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

Sun - Rise: 05:37, Set: 20:40, Transit: 13:08. Moon - Rise: 23:15, Set: 15:13. Civil Dark: 21:18 - N/A. Nautical Dark: 22:08 - 04:11. Astro Dark: 23:12 - 03:08

Total Clouds (% Sky Obscured)

2
14
12
1
10
36
48
54
27
47
37
34
39
41
57
57
63
48
77
100
77
99
62
33

Low Clouds (% Sky Obscured)

2
12
0
0
9
32
37
32
22
24
21
25
2
1
2
2
2
0
0
0
0
4
0
0

Medium Clouds (% Sky Obscured)

2
11
0
0
0
0
0
15
0
19
0
0
20
23
16
19
16
7
1
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
11
1
0
0
25
15
15
21
69
100
77
97
59
33

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
7
10
11
11
11
11
12
10
10
9
8
7
5
5
6
6
6
5
4
4
4

Chance of Frost

Temperature (°C)

12
12
13
16
17
18
19
21
21
22
23
23
23
23
22
20
17
15
14
14
13
12
11
10

Feels Like (°C)

12
12
14
15
16
16
17
18
19
20
20
21
21
21
21
19
15
12
12
11
10
9
9
7

Dew Point (°C)

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

Relative Humidity (%)

90
90
82
66
51
41
35
31
28
26
25
23
23
24
26
34
42
53
61
67
68
66
66
67

Pressure (mb)

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

Ozone (du)

338
340
342
343
346
354
353
353
350
340
337
334
333
333
330
329
328
328
328
328
327
328
329
329

Friday 7

Waning Crescent 37%

23:53

16:38

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

Sun - Rise: 05:39, Set: 20:38, Transit: 13:08. Moon - Rise: 23:53, Set: 16:38. Civil Dark: 21:16 - 05:01. Nautical Dark: 22:06 - 04:13. Astro Dark: 23:08 - 03:11

Total Clouds (% Sky Obscured)

0
17
50
15
5
5
4
44
7
9
0
3
4
0
1
3
6
2
5
4
4
8
32
25

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
4
0
0
2
3
0
0
0
0
4
19
22

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
16
46
15
3
4
4
44
2
2
0
1
0
0
1
1
1
1
2
1
1
1
3
1

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
3
4
4
3
2
4
6
8
9
10
10
10
10
9
6
4
2
2
3
2
2
2

Chance of Frost

Temperature (°C)

9
9
10
15
18
20
21
23
23
24
25
25
25
24
22
20
17
16
14
13
12
11
11
11

Feels Like (°C)

7
8
11
14
17
20
23
23
23
22
22
22
22
21
20
18
17
16
15
14
12
11
12
11

Dew Point (°C)

4
4
3
4
5
4
3
2
1
2
2
4
5
6
7
8
10
10
8
6
5
5
6
6

Relative Humidity (%)

69
70
60
48
42
35
30
26
23
23
23
25
27
30
36
45
61
68
66
59
60
65
72
73

Pressure (mb)

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

Ozone (du)

330
333
335
337
338
337
335
334
335
336
337
335
333
331
329
329
329
331
328
325
323
323
325
325

Saturday 8

Waning Crescent 26%

00:48

17:55

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

Sun - Rise: 05:40, Set: 20:36, Transit: 13:08. Moon - Rise: 00:48, Set: 17:55. Civil Dark: 21:14 - 05:02. Nautical Dark: 22:03 - 04:15. Astro Dark: 23:05 - 03:15

Total Clouds (% Sky Obscured)

8
0
6
25
24
22
32
53
45
86
93
95
93
100
98
40
86
43
38
27
31
35
38
37

Low Clouds (% Sky Obscured)

6
0
3
25
24
20
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
2
16
4
10
5
27
47
63
80
63
19
26
29
38
14
15
17
19
13

High Clouds (% Sky Obscured)

1
0
1
1
6
2
16
52
42
84
91
94
93
100
98
31
86
14
9
5
4
3
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
3
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)

2
2
2
1
3
5
6
8
9
11
12
11
10
8
7
5
3
2
1
1
1
1
1
1

Chance of Frost

Temperature (°C)

11
10
12
16
19
22
23
24
25
25
25
25
24
23
22
20
18
16
16
15
15
14
14
14

Feels Like (°C)

12
11
13
18
21
22
24
23
23
23
22
22
21
21
20
19
17
16
16
16
15
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

74
74
61
48
39
31
26
22
21
21
23
22
22
23
26
38
51
54
53
51
51
50
50
50

Pressure (mb)

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

Ozone (du)

322
322
322
323
323
323
322
321
321
321
322
321
321
321
322
323
323
324
325
325
325
326
326
325

Sunday 9

Waning Crescent 16%

02:03

18:55

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

Sun - Rise: 05:42, Set: 20:34, Transit: 13:08. Moon - Rise: 02:03, Set: 18:55. Civil Dark: 21:12 - 05:04. Nautical Dark: 22:01 - 04:17. Astro Dark: 23:02 - 03:18

Total Clouds (% Sky Obscured)

39
39
26
13
1
0
0
0
5
10
14
24
34
36
31
22
16
16
13
40
20
14
2
11

Low 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
3

Medium Clouds (% Sky Obscured)

14
14
9
3
0
0
0
0
3
4
5
1
3
4
6
7
8
9
6
40
20
14
2
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
5
9
13
23
28
34
23
11
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
1
1
2
3
0
0
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)

1
1
2
2
3
3
2
4
9
11
12
12
11
10
8
5
4
4
5
4
3
2
3
3

Chance of Frost

Temperature (°C)

14
14
15
19
22
25
27
28
29
29
29
29
28
27
27
24
22
21
20
18
17
17
17
16

Feels Like (°C)

15
15
16
19
22
24
27
29
28
27
26
27
25
25
26
24
22
21
19
18
17
16
15
15

Dew Point (°C)

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

Relative Humidity (%)

52
50
41
30
23
17
14
13
14
14
14
13
13
14
14
20
23
25
26
28
28
28
26
28

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

323
322
323
322
323
322
322
321
320
320
322
323
324
325
326
325
324
324
321
318
318
315
314
314

Monday 10

Waning Crescent 8%

03:30

19:39

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

Sun - Rise: 05:43, Set: 20:33, Transit: 13:08. Moon - Rise: 03:30, Set: 19:39. Civil Dark: 21:10 - 05:06. Nautical Dark: 21:59 - 04:19. Astro Dark: 22:58 - 03:21

Total Clouds (% Sky Obscured)

21
33
40
42
46
46
34
23
25
25
29
43
52
60
41
60
69
56
39
21
18
15
12
17

Low Clouds (% Sky Obscured)

7
10
17
27
36
24
12
0
3
5
6
8
9
11
0
0
0
0
0
0
0
0
1
5

Medium Clouds (% Sky Obscured)

9
12
9
9
10
8
9
10
12
10
11
10
16
17
6
5
5
8
11
14
14
12
11
9

High Clouds (% Sky Obscured)

1
1
2
2
2
1
1
0
0
0
3
16
23
33
41
58
69
56
39
18
13
9
4
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
1
1
0
1
0
0
0
0
0
1
1
0
0
0
0
0
0
0
1

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
6
6
7
9
10
10
11
14
10
11
11
10
9
9
8
5
3
1
3
4
3
3
3

Chance of Frost

Temperature (°C)

16
16
18
20
22
24
25
27
26
27
28
28
27
27
25
24
22
20
19
19
18
17
17
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

31
33
30
22
19
17
15
14
21
17
16
16
17
23
33
38
43
48
47
46
43
49
53
60

Pressure (mb)

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

Ozone (du)

313
312
312
313
315
315
316
317
317
317
318
319
320
319
317
318
318
319
320
320
321
321
321
321

Tuesday 11

Waning Crescent 2%

05:01

20:08

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

Sun - Rise: 05:45, Set: 20:31, Transit: 13:08. Moon - Rise: 05:01, Set: 20:08. Civil Dark: 21:08 - 05:07. Nautical Dark: 21:56 - 04:21. Astro Dark: 22:55 - 03:24

Total Clouds (% Sky Obscured)

21
24
17
10
4
3
3
3
2
2
2
2
2
2
19
33
49
52
56
64
51
40
27
33

Low Clouds (% Sky Obscured)

9
11
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

2
1
1
0
0
0
0
0
0
0
0
0
0
0
19
33
49
52
56
64
46
25
6
14

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 (%)

1
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)

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

Chance of Frost

Temperature (°C)

17
18
18
20
23
26
27
28
29
29
30
30
29
28
27
25
23
20
20
20
20
20
19
19

Feels Like (°C)

17
16
15
19
20
21
22
23
25
31
30
29
30
30
31
25
25
25
24
23
22
20
20
21

Dew Point (°C)

8
7
6
5
6
5
5
5
6
6
7
8
9
10
10
11
12
13
13
12
12
12
13
13

Relative Humidity (%)

54
49
44
37
32
26
24
23
22
22
23
24
27
30
34
42
50
62
61
60
60
62
64
67

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1016
1016
1016
1016
1015
1015
1015

Ozone (du)

321
320
320
319
317
315
314
313
311
311
311
311
312
312
313
312
310
309
310
310
310
310
310
310

Wednesday 12

New Moon 0%

05:01

20:30

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

Sun - Rise: 05:46, Set: 20:29, Transit: 13:08. Moon - Rise: 05:01, Set: 20:30. Civil Dark: 21:06 - 05:09. Nautical Dark: 21:54 - 04:23. Astro Dark: 22:51 - 03:27

Total Clouds (% Sky Obscured)

34
29
35
41
48
44
50
51
55
56
53
48
43
42
58
73
89
71
53
36

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
17
26
22
18
16

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
8
16
22
27
31
35
25
15
4
4
4
4

High Clouds (% Sky Obscured)

14
17
21
25
28
24
29
29
45
47
49
48
43
42
58
71
69
48
29
13

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
3
3
6
8
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
19
22
24
27
28
29
30
30
30
30
29
27
26
24
23
21
20
19

Feels Like (°C)

20
19
19
20
21
21
22
23
24
30
29
28
28
28
28
21
22
22
21
20

Dew Point (°C)

13
12
12
11
11
10
8
7
5
6
7
8
9
11
12
13
13
13
14
14

Relative Humidity (%)

65
64
63
52
42
34
28
24
20
21
23
24
29
35
42
47
54
61
66
71

Pressure (mb)

1015
1016
1016
1016
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019

Ozone (du)

309
308
307
307
308
308
308
308
308
308
308
308
307
306
305
304
303
302
302
302

Forecast for Chichester, West Sussex, United Kingdom (50.84,-0.77)

Generated: 06/08/26 05:38:59. Forecast: 06/08/26 to 12/08/26. Timezone: UTC+1.00