Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 6

Third Quarter 49%

23:12

15:17

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

Sun - Rise: 05:36, Set: 20:43, Transit: 13:09. Moon - Rise: 23:12, Set: 15:17. Civil Dark: 21:22 - 04:57. Nautical Dark: 22:13 - 04:05. Astro Dark: 23:20 - 02:59

Total Clouds (% Sky Obscured)

0
1
1
0
19
2
0
0
15
25
46
39
33
56
56
61
52
63
38
40
63
63
66
54

Low Clouds (% Sky Obscured)

0
0
0
0
16
2
0
0
13
23
46
32
0
12
2
2
3
3
3
3
5
3
1
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
30
28
43
47
47
40
47
29
20
18
22
23
4

High Clouds (% Sky Obscured)

0
1
0
0
0
0
0
0
0
0
0
0
0
0
2
5
2
5
4
17
35
27
24
31

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
8
8
9
8
8
8
7
5
4
3
2
1
1
1
1
1
3
4
6
7

Relative Humidity (%)

68
71
77
79
81
84
87
76
66
57
47
40
35
30
27
24
24
23
24
25
30
39
51
58

Pressure (mb)

1019
1019
1020
1020
1020
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1023
1023
1024
1024

Ozone (du)

341
343
345
347
347
347
348
351
352
357
357
355
353
348
343
340
336
333
329
326
325
324
325
326

Friday 7

Waning Crescent 37%

23:49

16:43

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

Sun - Rise: 05:38, Set: 20:41, Transit: 13:09. Moon - Rise: 23:49, Set: 16:43. Civil Dark: 21:20 - 04:59. Nautical Dark: 22:11 - 04:08. Astro Dark: 23:16 - 03:02

Total Clouds (% Sky Obscured)

87
72
88
84
100
84
9
74
16
25
12
54
36
35
69
38
30
27
24
22
7
4
5
3

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
5
0
0
0
0
18
20
16
21
17
20
20
16
14
3
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
2
3
3
2
0
0
0
0
3
3
10
17
12
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

84
68
86
84
100
82
2
65
16
25
12
27
6
1
30
3
1
0
2
2
2
3
4
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
4
4
4
4
4
3
3
3
2
0
2
3
4
5
6
6
6
6
7
6
6
6

Chance of Frost

Temperature (°C)

14
13
12
11
10
10
9
10
14
17
19
21
22
24
24
25
25
25
24
24
22
19
17
15

Feels Like (°C)

11
11
10
8
8
8
8
10
14
17
17
22
23
24
23
22
23
23
23
22
19
17
15
14

Dew Point (°C)

6
5
4
4
4
4
3
2
4
5
4
4
2
2
1
0
-0
-1
-1
-2
1
2
3
6

Relative Humidity (%)

58
58
60
63
65
66
68
59
48
42
36
31
26
23
22
20
19
18
18
18
23
32
39
53

Pressure (mb)

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

Ozone (du)

325
325
325
326
327
330
334
335
336
336
331
330
335
335
335
335
332
331
329
327
326
326
326
326

Saturday 8

Waning Crescent 26%

No Rise

18:00

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

Sun - Rise: 05:39, Set: 20:39, Transit: 13:09. Moon - Rise: No Rise, Set: 18:00. Civil Dark: 21:18 - 05:00. Nautical Dark: 22:08 - 04:10. Astro Dark: 23:12 - 03:06

Total Clouds (% Sky Obscured)

2
2
1
4
3
9
11
28
28
24
29
31
34
72
100
100
100
100
100
80
59
37
28
33

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
15
17
2
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
11
13
11
14
14
17
11
11
50
69
70
76
68
41
34
17
19

High Clouds (% Sky Obscured)

1
1
1
2
1
8
10
5
10
6
2
1
2
47
100
100
100
99
100
72
47
14
1
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)

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

Chance of Frost

Temperature (°C)

14
13
12
12
11
10
10
11
15
19
22
24
25
26
27
28
28
27
27
26
23
21
19
18

Feels Like (°C)

13
12
12
12
11
11
10
11
16
19
22
24
25
25
24
24
24
23
22
21
20
18
17
17

Dew Point (°C)

7
7
7
6
6
5
5
4
5
5
5
4
3
1
-1
-2
-3
-4
-3
0
3
4
4
4

Relative Humidity (%)

63
68
67
68
68
71
72
60
50
40
33
28
22
18
16
14
13
13
14
19
26
33
37
39

Pressure (mb)

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

Ozone (du)

327
329
330
328
325
325
324
325
325
325
324
324
322
321
321
320
321
322
322
322
323
323
323
324

Sunday 9

Waning Crescent 16%

00:45

19:01

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

Sun - Rise: 05:41, Set: 20:37, Transit: 13:09. Moon - Rise: 00:45, Set: 19:01. Civil Dark: 21:16 - 05:02. Nautical Dark: 22:06 - 04:12. Astro Dark: 23:09 - 03:09

Total Clouds (% Sky Obscured)

36
41
47
55
55
50
47
37
28
17
34
42
55
45
31
18
22
25
27
38
47
55
56
56

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
7
10
16
22
26
26
27

Medium Clouds (% Sky Obscured)

17
23
20
22
22
17
16
18
12
9
13
20
22
21
15
10
11
13
11
11
9
6
5
5

High Clouds (% Sky Obscured)

3
2
2
0
0
0
0
1
0
0
22
42
55
45
25
5
4
2
0
18
33
50
43
29

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
1
6
9
8
4
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)

3
2
2
2
1
2
2
2
2
2
3
3
4
6
6
7
9
10
10
9
7
5
4
6

Chance of Frost

Temperature (°C)

17
16
16
16
16
16
16
17
19
22
25
27
28
30
31
31
31
30
29
28
26
24
22
21

Feels Like (°C)

17
16
16
16
16
16
16
17
20
23
25
27
29
30
31
31
29
28
27
27
25
23
22
20

Dew Point (°C)

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

Relative Humidity (%)

42
43
44
46
47
47
47
40
33
28
23
18
17
15
14
12
12
12
14
15
20
25
28
31

Pressure (mb)

1017
1017
1016
1016
1016
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1012
1012
1012
1012
1013
1014
1014
1014

Ozone (du)

324
325
324
324
323
322
321
320
320
319
319
319
319
318
318
317
317
317
315
314
313
312
310
310

Monday 10

Waning Crescent 8%

01:59

19:43

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

Sun - Rise: 05:42, Set: 20:35, Transit: 13:09. Moon - Rise: 01:59, Set: 19:43. Civil Dark: 21:14 - 05:04. Nautical Dark: 22:03 - 04:14. Astro Dark: 23:05 - 03:12

Total Clouds (% Sky Obscured)

55
52
53
51
63
71
80
67
60
52
51
49
45
47
49
43
37
38
42
43
46
40
49
55

Low Clouds (% Sky Obscured)

31
25
17
9
9
9
10
13
17
18
19
18
16
10
8
4
2
1
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

5
6
6
6
8
10
10
13
13
16
17
17
15
13
8
5
2
2
2
4
7
12
11
6

High Clouds (% Sky Obscured)

19
21
22
22
33
43
55
37
20
3
4
1
2
3
5
7
26
38
42
43
46
27
43
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)

7
7
7
6
6
5
6
4
6
5
5
5
6
7
7
6
5
5
5
5
5
5
5
4

Chance of Frost

Temperature (°C)

20
19
18
17
16
16
15
16
19
21
23
25
27
28
29
30
31
31
30
30
27
25
22
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
53
54
60
63
66
68
60
45
36
30
25
21
19
19
19
18
19
20
21
26
33
41
43

Pressure (mb)

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

Ozone (du)

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

Tuesday 11

Waning Crescent 2%

03:28

20:12

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

Sun - Rise: 05:44, Set: 20:33, Transit: 13:09. Moon - Rise: 03:28, Set: 20:12. Civil Dark: 21:11 - 05:06. Nautical Dark: 22:01 - 04:16. Astro Dark: 23:02 - 03:16

Total Clouds (% Sky Obscured)

60
50
35
15
10
6
3
5
6
7
8
9
11
37
60
84
83
86
91
96
98
100
93
87

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
15
30

High Clouds (% Sky Obscured)

60
50
35
15
10
6
2
2
2
3
5
7
8
31
53
72
78
81
90
96
98
100
83
67

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

Chance of Frost

Temperature (°C)

20
19
18
18
17
17
17
17
20
22
25
26
28
29
30
30
31
30
29
28
26
25
23
22

Feels Like (°C)

25
24
18
18
18
18
18
18
18
19
20
21
22
23
30
28
28
28
29
29
25
25
25
24

Dew Point (°C)

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

Relative Humidity (%)

45
47
53
58
65
64
64
63
51
42
33
31
29
26
26
26
26
28
30
32
38
45
53
57

Pressure (mb)

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

Ozone (du)

306
306
307
308
309
309
310
311
311
312
312
312
313
313
312
311
310
308
307
305
306
308
309
309

Wednesday 12

New Moon 0%

05:00

20:32

Sun - Rise: 05:45, Set: 20:31, Transit: 13:08. Moon - Rise: 05:00, Set: 20:32. Civil Dark: 21:09 - 05:07. Nautical Dark: 21:58 - 04:19. Astro Dark: 22:58 - 03:19

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Reading, Reading, United Kingdom (51.45,-0.98)

Generated: 06/08/26 00:55:57. Forecast: 06/08/26 to 12/08/26. Timezone: UTC+1.00