Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 31

Waning Gibbous 84%

21:01

10:01

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

Sun - Rise: 06:36, Set: 19:45, Transit: 13:10. Moon - Rise: 21:01, Set: 10:01. Civil Dark: 20:13 - 06:07. Nautical Dark: 20:48 - 05:33. Astro Dark: 21:24 - 04:57

Total Clouds (% Sky Obscured)

1
1
0
2
4
6
2
0
0
0
0
4
1
0
0
4
5
8
8
2
0
4
5
4

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
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
0
0
0
0

High Clouds (% Sky Obscured)

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

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

Chance of Frost

Temperature (°C)

23
24
27
29
31
33
33
33
34
33
32
30
29
28
27
27
26
26
25
25
25
24
24
24

Feels Like (°C)

27
29
31
32
34
34
33
33
33
33
32
31
30
29
29
29
28
28
27
28
27
26
25
25

Dew Point (°C)

17
17
16
16
16
16
15
14
14
16
17
17
18
18
17
17
17
18
18
17
15
13
12
12

Relative Humidity (%)

71
63
53
45
40
36
32
30
31
35
40
45
50
54
54
55
58
61
63
60
54
49
47
46

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

296
297
299
300
301
301
300
298
297
296
296
297
298
299
299
299
299
299
299
299
299
299
299
300

Tuesday 1

Waning Gibbous 74%

21:28

11:14

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

Sun - Rise: 06:37, Set: 19:43, Transit: 13:09. Moon - Rise: 21:28, Set: 11:14. Civil Dark: 20:12 - 06:08. Nautical Dark: 20:46 - 05:34. Astro Dark: 21:22 - 04:59

Total Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
3
0
0
0
0
0
0
2
25
6
24
20
24
23
20
12

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
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
18
20
9
9
0
0

High Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
3
0
0
0
0
0
0
2
25
6
8
20
24
23
20
12

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

Chance of Frost

Temperature (°C)

23
25
27
30
32
34
35
35
34
33
33
31
30
28
27
27
26
26
26
25
25
25
24
24

Feels Like (°C)

25
26
28
31
33
34
35
35
34
34
34
33
32
32
31
30
30
29
29
28
28
28
27
27

Dew Point (°C)

11
11
11
11
11
11
13
15
16
16
16
16
16
18
18
18
17
17
16
15
15
14
14
13

Relative Humidity (%)

46
42
36
30
27
25
26
30
34
35
36
39
44
52
56
56
56
56
55
54
52
51
51
51

Pressure (mb)

1016
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1017
1017
1017
1017
1017

Ozone (du)

300
299
299
299
299
299
300
301
300
300
299
299
299
299
300
300
301
300
301
300
301
302
303
306

Wednesday 2

Waning Gibbous 63%

22:01

12:29

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

Sun - Rise: 06:38, Set: 19:41, Transit: 13:09. Moon - Rise: 22:01, Set: 12:29. Civil Dark: 20:10 - 06:09. Nautical Dark: 20:44 - 05:35. Astro Dark: 21:20 - 05:00

Total Clouds (% Sky Obscured)

9
4
12
16
15
12
14
6
64
90
6
8
6
5
4
10
7
5
4
0
0
0
0
0

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
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
0
0
0
0

High Clouds (% Sky Obscured)

9
4
12
16
15
2
2
0
13
35
2
8
4
3
4
6
3
3
3
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
2
8
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
3
5
6
7
7
9
8
7
7
7
5
3
2
1
2
2
3
3
3
3
3

Chance of Frost

Temperature (°C)

24
25
27
29
31
32
32
33
33
32
31
31
29
28
27
26
26
26
25
24
24
23
22
23

Feels Like (°C)

27
28
30
32
33
33
33
33
32
31
30
31
31
29
28
28
28
28
27
26
26
25
24
24

Dew Point (°C)

13
13
14
14
14
13
13
12
12
14
15
16
16
16
15
14
14
14
13
12
11
11
9
9

Relative Humidity (%)

51
49
44
39
35
32
31
29
28
32
37
40
45
48
47
48
49
48
46
44
44
45
43
42

Pressure (mb)

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

Ozone (du)

307
307
308
311
314
311
308
314
314
315
315
312
310
307
306
304
302
300
300
301
301
301
301
300

Thursday 3

Waning Gibbous 52%

22:42

13:45

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

Sun - Rise: 06:39, Set: 19:40, Transit: 13:09. Moon - Rise: 22:42, Set: 13:45. Civil Dark: 20:08 - 06:11. Nautical Dark: 20:42 - 05:37. Astro Dark: 21:18 - 05:01

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
4
6
6
4
4
6
7

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
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
0
0
0
0

High Clouds (% Sky Obscured)

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

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

Chance of Frost

Temperature (°C)

23
23
25
28
30
31
33
34
33
32
32
31
30
30
29
27
26
26
26
25
25
25
25
25

Feels Like (°C)

23
24
26
28
31
32
34
34
32
32
32
32
32
33
33
31
30
29
29
29
28
27
26
27

Dew Point (°C)

9
8
9
9
10
10
10
12
14
15
16
18
20
21
20
21
20
18
17
16
15
14
12
12

Relative Humidity (%)

42
38
34
31
28
26
24
27
32
35
39
46
54
59
61
66
67
62
59
55
52
49
46
44

Pressure (mb)

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

Ozone (du)

301
301
300
300
300
301
301
302
301
300
300
300
300
299
299
298
298
297
297
297
297
298
300
302

Friday 4

Third Quarter 49%

23:35

14:57

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

Sun - Rise: 06:40, Set: 19:38, Transit: 13:08. Moon - Rise: 23:35, Set: 14:57. Civil Dark: 20:06 - 06:12. Nautical Dark: 20:40 - 05:38. Astro Dark: 21:16 - 05:03

Total Clouds (% Sky Obscured)

1
3
8
11
9
10
9
7
2
0
3
4
13
8
5
2
1
1
0
1
1
1
1
0

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
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
0
0
0
0

High Clouds (% Sky Obscured)

0
0
2
2
1
2
2
1
0
0
2
2
7
1
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)

4
3
3
3
4
5
8
10
10
10
10
8
6
4
3
2
2
3
3
3
3
2
2
2

Chance of Frost

Temperature (°C)

25
25
28
30
32
32
33
33
33
32
31
30
29
28
27
27
26
25
24
24
24
23
23
23

Feels Like (°C)

26
27
30
31
33
33
32
33
33
32
32
31
30
30
30
30
29
29
28
28
27
27
27
27

Dew Point (°C)

11
10
11
12
12
12
12
12
13
13
12
12
13
15
15
16
16
16
16
16
16
15
15
14

Relative Humidity (%)

42
37
35
32
29
28
28
28
30
30
31
32
36
44
48
51
54
56
59
60
60
59
58
55

Pressure (mb)

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

Ozone (du)

302
300
300
298
298
298
296
296
295
296
295
295
295
295
295
295
295
296
296
297
297
297
297
298

Saturday 5

Waning Crescent 40%

00:40

16:02

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

Sun - Rise: 06:41, Set: 19:36, Transit: 13:08. Moon - Rise: 00:40, Set: 16:02. Civil Dark: 20:05 - 06:13. Nautical Dark: 20:38 - 05:39. Astro Dark: 21:14 - 05:04

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
7
11
6
2
0
0
0

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
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
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
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)

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

Chance of Frost

Temperature (°C)

23
23
26
28
30
31
32
33
32
32
31
30
29
27
27
26
26
25
24
24
24
24
23
23

Feels Like (°C)

26
26
28
30
30
32
32
34
34
33
32
32
31
32
28
28
30
29
28
29
28
28
28
28

Dew Point (°C)

13
13
13
12
12
13
13
14
15
15
16
16
17
18
18
18
18
18
17
17
17
16
14
14

Relative Humidity (%)

53
50
44
37
32
32
32
32
34
37
39
44
49
55
57
60
64
65
64
65
63
60
57
56

Pressure (mb)

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

Ozone (du)

299
299
299
299
299
298
297
297
297
297
297
297
297
297
296
295
294
295
295
295
295
295
295
295

Sunday 6

Waning Crescent 28%

01:54

16:56

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

Sun - Rise: 06:42, Set: 19:35, Transit: 13:08. Moon - Rise: 01:54, Set: 16:56. Civil Dark: 20:03 - 06:14. Nautical Dark: 20:37 - 05:40. Astro Dark: 21:12 - 05:05

Total Clouds (% Sky Obscured)

0
0
0
0
1
2
4
3
1
1
1
1
1
1
1
1
4
7
13

Low Clouds (% Sky Obscured)

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
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
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

24
24
26
28
30
31
31
32
32
31
31
30
28
27
27
26
25
25
25

Feels Like (°C)

28
28
28
29
30
31
32
32
35
34
33
33
32
32
28
29
30
29
29

Dew Point (°C)

14
13
13
13
14
15
15
16
17
17
18
18
18
19
19
18
18
18
18

Relative Humidity (%)

53
50
45
40
37
37
37
38
40
42
45
49
54
61
62
63
65
66
67

Pressure (mb)

1019
1019
1019
1019
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019

Ozone (du)

295
294
294
293
292
292
292
292
291
291
291
291
291
290
291
291
292
291
291

Forecast for Testaccio, Province of Rome, Italy (41.86,12.48)

Generated: 31/08/26 07:44:37. Forecast: 31/08/26 to 06/09/26. Timezone: UTC+2.00