Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 15

Waning Gibbous 89%

19:52

09:09

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

Sun - Rise: 06:36, Set: 17:39, Transit: 12:07. Moon - Rise: 19:52, Set: 09:09. Civil Dark: 18:03 - 06:12. Nautical Dark: 18:30 - 05:46. Astro Dark: 18:56 - 05:19

Total Clouds (% Sky Obscured)

0
0
0
0
13
7
16
25
28
34
17
0
0
0
0
0
3
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
13
7
16
25
28
34
17
0
0
0
0
0
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
79
62
52
45
41
36
35
34
33
37
50
57
56
59
62
65
66
68
72
74
75
78
78

Pressure (mb)

1022
1022
1022
1023
1023
1022
1021
1020
1019
1018
1018
1018
1019
1019
1020
1020
1021
1021
1021
1021
1021
1020
1020
1021

Ozone (du)

264
263
262
261
261
261
260
260
259
259
259
259
258
258
258
257
257
256
256
256
257
257
257
258

Friday 16

Waning Gibbous 81%

20:48

10:02

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

Sun - Rise: 06:36, Set: 17:39, Transit: 12:07. Moon - Rise: 20:48, Set: 10:02. Civil Dark: 18:02 - 06:13. Nautical Dark: 18:29 - 05:46. Astro Dark: 18:56 - 05:19

Total Clouds (% Sky Obscured)

0
0
0
0
0
6
7
45
43
66
58
30
55
30
35
33
35
19
0
0
0
0
0
2

Low Clouds (% Sky Obscured)

0
0
0
0
0
5
5
24
29
40
37
1
24
30
35
33
35
19
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
18
16
26
23
17
26
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
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
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
7
8
11
11
10
8
5
4
3
4
4
5
5
5
5
5
5
5
5
5
6
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
16
17
19
21
24
26
27
26
26
24
21
18
16
16
15
15
15
17
16
15
14
15

Dew Point (°C)

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

Relative Humidity (%)

79
78
65
53
46
39
35
32
32
31
34
47
56
55
52
53
55
57
62
69
72
73
69
74

Pressure (mb)

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

Ozone (du)

258
260
261
261
261
261
261
260
259
260
260
261
260
259
258
258
257
257
257
257
258
258
258
259

Saturday 17

Waning Gibbous 72%

21:47

10:51

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

Sun - Rise: 06:37, Set: 17:38, Transit: 12:08. Moon - Rise: 21:47, Set: 10:51. Civil Dark: 18:02 - 06:13. Nautical Dark: 18:29 - 05:46. Astro Dark: 18:56 - 05:19

Total Clouds (% Sky Obscured)

4
19
31
21
26
36
49
81
61
57
51
45
51
65
72
74
20
15
28
62
76
72
80
60

Low Clouds (% Sky Obscured)

0
0
0
0
6
6
13
25
21
21
12
1
1
0
0
20
0
0
4
3
14
15
14
15

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
27
4
0
2
0
0
16
22
24
0
0
5
35
34
32
30
28

High Clouds (% Sky Obscured)

4
19
30
20
19
30
38
43
47
48
49
45
51
56
55
30
20
10
13
11
17
16
28
28

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
12
12
12
11
10
11
10
9
9
9
12
12
10
9
9
9
10
10
10
10
9
9
10

Relative Humidity (%)

75
75
67
59
51
44
41
38
35
34
36
47
53
54
53
56
55
58
61
64
63
61
60
63

Pressure (mb)

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

Ozone (du)

259
258
259
259
258
258
257
256
256
256
257
257
258
258
258
258
258
258
258
258
259
260
261
261

Sunday 18

Waning Gibbous 62%

22:46

11:37

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

Sun - Rise: 06:37, Set: 17:38, Transit: 12:08. Moon - Rise: 22:46, Set: 11:37. Civil Dark: 18:02 - 06:13. Nautical Dark: 18:29 - 05:47. Astro Dark: 18:56 - 05:20

Total Clouds (% Sky Obscured)

74
93
92
94
97
100
100
100
100
100
100
100
98
95
70
61
57
77
90
68
7
5
5
3

Low Clouds (% Sky Obscured)

9
4
0
0
0
0
5
8
12
10
5
0
0
0
0
0
0
0
0
0
0
1
0
0

Medium Clouds (% Sky Obscured)

30
29
28
23
23
19
21
22
21
14
8
0
0
0
0
0
0
0
1
2
2
3
2
3

High Clouds (% Sky Obscured)

43
62
71
79
90
100
100
100
100
100
100
100
96
92
70
61
57
77
83
59
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
12
12
12
11
10
10
9
9
9
9
11
11
11
10
9
10
11
11
11
11
10
10
10

Relative Humidity (%)

66
69
64
57
49
42
39
36
35
34
37
46
51
54
55
57
62
65
67
67
68
68
69
70

Pressure (mb)

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

Ozone (du)

261
262
263
263
263
263
263
262
261
260
260
261
261
262
262
262
261
262
262
263
263
264
265
265

Monday 19

Waning Gibbous 59%

23:44

12:18

06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
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

Sun - Rise: 06:38, Set: 17:38, Transit: 12:08. Moon - Rise: 23:44, Set: 12:18. Civil Dark: 18:01 - 06:14. Nautical Dark: 18:29 - 05:47. Astro Dark: 18:55 - 05:20

Total Clouds (% Sky Obscured)

3
2
2
2
1
2
14
22
37
36
37
28
13
12
4
2
2
1
1
1
0
1
1
2

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
11
21
32
29
30
23
9
8
1
1
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
2
2
2
1
2
9
12
17
12
9
5
4
10
4
2
2
1
1
0
0
0
1
1

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)

5
5
6
7
7
6
6
5
4
3
4
4
4
4
5
5
5
5
5
5
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
71
61
53
47
41
36
33
31
31
32
44
49
50
49
51
53
55
56
57
59
60
61
61

Pressure (mb)

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

Ozone (du)

266
266
266
266
266
265
265
264
264
265
266
266
266
266
267
268
267
267
267
266
265
264
265
266

Tuesday 20

Third Quarter 51%

00:43

12:56

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

Sun - Rise: 06:38, Set: 17:37, Transit: 12:08. Moon - Rise: 00:43, Set: 12:56. Civil Dark: 18:01 - 06:14. Nautical Dark: 18:28 - 05:47. Astro Dark: 18:55 - 05:20

Total Clouds (% Sky Obscured)

3
4
5
4
3
2
14
24
21
18
18
18
30
43
55
64
78
79
71
54
42
31
26
25

Low Clouds (% Sky Obscured)

0
0
1
1
1
1
2
2
3
7
9
11
13
18
23
23
22
22
16
9
3
2
1
0

Medium Clouds (% Sky Obscured)

1
2
2
2
1
1
14
24
21
18
18
16
11
5
0
6
11
14
9
5
0
6
11
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
9
20
30
35
35
20
15
15
15
15
20
25

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
8
8
8
8
8
8
7
7
8
9
9
9
9
8
7
7
6
6
7
8
8
8

Relative Humidity (%)

63
56
50
45
40
35
32
31
30
29
33
38
44
46
47
48
47
45
43
46
50
55
56
57

Pressure (mb)

1017
1018
1018
1019
1018
1018
1017
1016
1015
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015

Ozone (du)

266
267
267
267
267
266
266
266
266
266
266
266
267
267
267
267
268
268
268
268
267
266
266
265

Wednesday 21

Waning Crescent 40%

01:42

13:32

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

Sun - Rise: 06:38, Set: 17:37, Transit: 12:08. Moon - Rise: 01:42, Set: 13:32. Civil Dark: 18:01 - 06:15. Nautical Dark: 18:28 - 05:48. Astro Dark: 18:55 - 05:21

Total Clouds (% Sky Obscured)

30
35
44
67
87
98
99
99
100
79
57
35
31
27
27
38
50
59
42
25
10

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
5
9
13
9
4
0
16
32
48
32
16
0

Medium Clouds (% Sky Obscured)

22
31
40
27
15
0
10
20
29
24
22
15
15
13
15
19
26
37
38
25
10

High Clouds (% Sky Obscured)

30
35
44
67
87
98
98
99
99
72
45
15
14
16
20
25
30
15
10
5
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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
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

Wind Speed/Direction (mph)

3
4
4
5
5
6
6
5
4
3
3
4
5
5
5
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
54
48
45
41
37
34
33
32
31
37
43
53
52
53
52
53
54
55
57
60

Pressure (mb)

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

Ozone (du)

265
266
267
268
269
269
270
270
270
270
270
271
272
272
272
272
273
274
274
274
274

Forecast for São Carlos, São Carlos, Brazil (-22.01,-47.89)

Generated: 15/05/25 06:31:50. Forecast: 15/05/25 to 21/05/25. Timezone: UTC-3.00