Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 21

Waxing Crescent 11%

08:06

23:22

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

Sun - Rise: 07:09, Set: 19:25, Transit: 13:17. Moon - Rise: 08:06, Set: 23:22. Civil Dark: 19:55 - 06:40. Nautical Dark: 20:30 - 06:05. Astro Dark: 21:05 - 05:29

Total Clouds (% Sky Obscured)

100
100
99
47
5
17
14
2
2
2
0
27
31
27
30
5
3
2
3
3
4
3
36
3

Low Clouds (% Sky Obscured)

27
30
33
28
5
17
14
2
2
2
0
27
30
27
30
5
2
2
2
2
0
0
0
0

Medium Clouds (% Sky Obscured)

100
65
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)

55
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
2
32
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 (%)

9
2
1
0
1
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
9
7
8
6
7
8
7
6
5
5
5
6
8
9
9
8
7
5
3
2
2
2
1

Chance of Frost

Temperature (°C)

8
7
6
5
5
6
7
9
10
11
12
12
12
12
11
10
7
6
5
4
3
4
3
2

Feels Like (°C)

6
4
4
3
4
5
6
7
8
10
11
11
11
10
9
6
5
4
4
3
3
3
3
-0

Dew Point (°C)

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

Relative Humidity (%)

84
82
79
83
80
69
58
52
47
42
39
36
35
35
39
47
52
57
60
62
65
67
70
72

Pressure (mb)

1021
1022
1023
1024
1024
1025
1026
1026
1026
1026
1026
1025
1025
1025
1026
1026
1027
1028
1029
1030
1030
1030
1030
1030

Ozone (du)

304
312
317
316
310
311
315
319
320
319
323
329
332
330
330
330
332
332
331
327
323
323
323
326

Sunday 22

Waxing Crescent 20%

08:35

00:45

04 OK
05 OK
06 OK
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 Bad
03 Bad

Sun - Rise: 07:07, Set: 19:27, Transit: 13:17. Moon - Rise: 08:35, Set: 00:45. Civil Dark: 19:56 - 06:38. Nautical Dark: 20:31 - 06:03. Astro Dark: 21:07 - 05:27

Total Clouds (% Sky Obscured)

48
48
45
100
88
51
60
75
100
100
70
96
92
100
100
100
100
100
91
89
95
100
100
100

Low Clouds (% Sky Obscured)

0
31
38
40
0
1
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
27
47
55
60
60
52
51
42
39
12
43
45
21
24
45
45
43
48
70

High Clouds (% Sky Obscured)

38
46
38
100
84
48
55
74
100
100
24
88
80
100
100
100
100
100
89
86
94
100
100
97

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

Chance of Frost

Temperature (°C)

2
2
1
0
1
3
5
8
9
11
13
14
14
13
12
11
9
9
8
7
6
5
4
4

Feels Like (°C)

1
1
0
-0
-2
0
4
6
7
8
9
12
10
10
9
7
6
5
5
4
3
2
1
1

Dew Point (°C)

-3
-2
-3
-3
-3
-3
-3
-2
-2
0
1
1
1
1
2
3
2
3
2
3
1
2
1
0

Relative Humidity (%)

74
76
77
80
75
67
57
50
46
45
43
40
40
43
50
57
61
65
69
73
71
76
76
76

Pressure (mb)

1030
1030
1030
1030
1030
1029
1029
1028
1028
1026
1026
1025
1024
1023
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021

Ozone (du)

326
327
331
331
331
334
337
340
340
337
337
335
330
329
328
327
323
320
321
323
325
327
324
325

Monday 23

Waxing Crescent 30%

09:14

02:03

04 Bad
05 Bad
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 Bad
03 Bad

Sun - Rise: 07:05, Set: 19:28, Transit: 13:17. Moon - Rise: 09:14, Set: 02:03. Civil Dark: 19:57 - 06:36. Nautical Dark: 20:32 - 06:01. Astro Dark: 21:08 - 05:25

Total Clouds (% Sky Obscured)

100
76
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
4
15
24
23
21
10
0
0
0
0
0
0
0
0
1
58
38
62
69
73
78
89
95

Medium Clouds (% Sky Obscured)

44
39
85
81
39
36
37
45
51
98
86
77
100
90
100
100
100
99
100
100
100
100
100
94

High Clouds (% Sky Obscured)

100
50
100
100
100
100
100
100
100
100
92
100
100
100
100
100
100
100
100
95
100
100
96
90

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
1
0
0
0
0
2
4
12
30
33
21
29
11
30
42
47
57
66

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
0.3

Wind Speed/Direction (mph)

4
3
2
2
2
2
3
3
3
2
2
2
3
3
5
4
3
3
3
2
2
2
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
2
0
1
2
3
5
6
7
8
9
9
9
9
8
7
7
7
6
6
6
5
6

Dew Point (°C)

0
0
0
-0
0
0
1
-0
-1
-1
-1
-2
-2
-2
0
1
1
2
2
1
1
1
1
2

Relative Humidity (%)

76
79
80
82
80
73
68
60
54
47
44
39
38
40
47
54
58
61
63
63
63
64
65
64

Pressure (mb)

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

Ozone (du)

325
325
321
318
315
315
311
307
305
300
297
296
293
292
291
291
293
292
293
294
293
295
296
297

Tuesday 24

Waxing Crescent 42%

10:04

03:09

04 Bad
05 Bad
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 Bad
03 Bad

Sun - Rise: 07:03, Set: 19:29, Transit: 13:16. Moon - Rise: 10:04, Set: 03:09. Civil Dark: 19:59 - 06:34. Nautical Dark: 20:34 - 05:59. Astro Dark: 21:10 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
83
60
39
54
67
75
79
90
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
95
90
86
87
90
92
81
60
39
54
27
64
65
5
33
43
10
3
24
70

Medium Clouds (% Sky Obscured)

100
100
100
100
96
93
89
82
80
74
35
4
0
0
0
0
0
0
0
0
0
0
17
37

High Clouds (% Sky Obscured)

100
82
100
97
100
100
100
100
100
100
77
35
34
47
62
59
79
90
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
7
9
9
8
9
9
6
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

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

70
66
62
62
49
66
47
41
67
70
42
46
46
48
31
10
19
8
4
3
1
3
19
20

Precipitation Amount (mm)

0.3
0.3
0.2
0.3
0
0.3
0
0
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
4
5
5
5
6
7
8
8
11
12
13
12
11
11
9
7
6
5
5
5
4
4
4

Chance of Frost

Temperature (°C)

9
9
10
10
10
11
12
13
14
14
15
14
14
14
13
11
10
9
8
6
6
5
5
5

Feels Like (°C)

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

Dew Point (°C)

3
4
5
6
8
9
11
11
12
11
12
11
12
13
10
8
6
5
4
3
2
2
2
3

Relative Humidity (%)

67
68
71
77
85
86
90
90
89
84
83
82
87
92
84
83
76
77
79
81
79
82
85
86

Pressure (mb)

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

Ozone (du)

296
296
296
297
298
299
297
297
295
296
296
294
292
290
291
289
291
292
294
293
293
292
292
294

Wednesday 25

First Quarter 54%

11:08

04:02

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

Sun - Rise: 07:01, Set: 19:31, Transit: 13:16. Moon - Rise: 11:08, Set: 04:02. Civil Dark: 20:00 - 06:32. Nautical Dark: 20:35 - 05:57. Astro Dark: 21:12 - 05:20

Total Clouds (% Sky Obscured)

100
94
87
81
77
55
63
55
66
82
61
42
21
23
24
25
26
33
40
52
67
79
87
86

Low Clouds (% Sky Obscured)

96
91
87
74
47
28
27
22
12
6
7
9
12
19
23
25
25
29
35
52
56
64
58
54

Medium Clouds (% Sky Obscured)

60
44
33
20
12
7
3
12
20
25
17
7
0
1
2
3
26
33
40
43
20
0
0
0

High Clouds (% Sky Obscured)

100
75
50
23
20
7
16
3
0
1
1
0
0
0
0
0
0
0
0
0
1
1
1
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
7
6
4
6

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
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

28
41
44
47
44
37
30
26
21
11
12
13
10
23
26
24
36
44
49
44
41
38
45
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
4
4
5
7
8
10
11
12
11
10
9
9
8
7
8
7
7
1
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

76
71
70
72
72
63
53
47
43
38
36
33
31
33
40
49
59
67
76
85
88
88
89
89

Pressure (mb)

1022
1022
1022
1023
1023
1023
1024
1024
1024
1024
1023
1023
1023
1023
1024
1024
1025
1026
1027
1028
1029
1030
1030
1031

Ozone (du)

296
297
300
303
305
305
307
308
306
305
304
305
306
308
309
310
310
311
312
313
314
314
314
314

Thursday 26

Waxing Gibbous 65%

12:21

04:02

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 Good
11 Good
12 Good
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 Good

Sun - Rise: 07:00, Set: 19:32, Transit: 13:16. Moon - Rise: 12:21, Set: 04:02. Civil Dark: 20:01 - 06:30. Nautical Dark: 20:37 - 05:55. Astro Dark: 21:13 - 05:18

Total Clouds (% Sky Obscured)

77
66
56
45
32
18
3
3
3
3
3
3
3
4
5
6
8
11
13
8
4
0
4
10

Low Clouds (% Sky Obscured)

47
51
54
45
32
18
2
1
1
1
2
2
2
2
2
2
2
1
1
1
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
5
11
13
8
4
0
2
4

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

8
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 (%)

44
35
25
13
12
9
3
3
2
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)

3
4
3
2
2
2
3
4
4
4
3
4
4
5
4
4
4
4
4
5
5
5
5
5

Chance of Frost

Temperature (°C)

2
1
1
1
0
3
5
7
10
12
13
14
15
15
14
13
12
11
10
9
9
8
8
8

Feels Like (°C)

0
-1
-1
-1
-1
0
1
2
9
10
11
13
13
14
15
14
13
13
12
12
8
8
9
9

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
88
88
76
68
59
51
44
38
37
37
37
41
45
50
55
61
68
70
74
75
78

Pressure (mb)

1031
1031
1032
1032
1033
1033
1033
1033
1032
1031
1030
1030
1029
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1026

Ozone (du)

314
314
315
316
316
318
320
321
322
322
322
323
324
324
324
324
324
323
322
321
321
322
322
323

Friday 27

Waxing Gibbous 76%

13:39

04:42

Sun - Rise: 06:58, Set: 19:33, Transit: 13:15. Moon - Rise: 13:39, Set: 04:42. Civil Dark: 20:03 - 06:28. Nautical Dark: 20:38 - 05:53. Astro Dark: 21:15 - 05:16

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 West Portland, Multnomah, United States of America (45.46,-122.72)

Generated: 21/03/26 04:41:46. Forecast: 21/03/26 to 27/03/26. Timezone: UTC-7.00